3812940 has 96 divisors (see below), whose sum is σ = 12418560. Its totient is φ = 969408.

The previous prime is 3812923. The next prime is 3812951. The reversal of 3812940 is 492183.

3812940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3812940² = 29077022887200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12267 + ... + 12573.

It is an arithmetic number, because the mean of its divisors is an integer number (129360).

Almost surely, 2^3812940 is an apocalyptic number.

3812940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3812940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6209280).

3812940 is an abundant number, since it is smaller than the sum of its proper divisors (8605620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3812940 is a wasteful number, since it uses less digits than its factorization.

3812940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 3812940 is about 1952.6750881803. The cubic root of 3812940 is about 156.2260037816.

It can be divided in two parts, 381 and 2940, that added together give a triangular number (3321 = T₈₁).

The spelling of 3812940 in words is "three million, eight hundred twelve thousand, nine hundred forty".