3823940 has 48 divisors (see below), whose sum is σ = 8769600. Its totient is φ = 1395072.

The previous prime is 3823933. The next prime is 3823951. The reversal of 3823940 is 493283.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10847 + ... + 11193.

It is an arithmetic number, because the mean of its divisors is an integer number (182700).

Almost surely, 2^3823940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3823940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4384800).

3823940 is an abundant number, since it is smaller than the sum of its proper divisors (4945660).

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

3823940 is a wasteful number, since it uses less digits than its factorization.

3823940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 402 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 3823940 is about 1955.4897084874. The cubic root of 3823940 is about 156.3760923506.

The spelling of 3823940 in words is "three million, eight hundred twenty-three thousand, nine hundred forty".