3830940 has 36 divisors (see below), whose sum is σ = 11621064. Its totient is φ = 1021536.

The previous prime is 3830927. The next prime is 3830963. The reversal of 3830940 is 490383.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3830940² = 29352202567200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10462 + ... + 10821.

Almost surely, 2^3830940 is an apocalyptic number.

3830940 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3830940 is an abundant number, since it is smaller than the sum of its proper divisors (7790124).

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

3830940 is a wasteful number, since it uses less digits than its factorization.

3830940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21298 (or 21293 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 3830940 is about 1957.2787231256. The cubic root of 3830940 is about 156.4714534519.

The spelling of 3830940 in words is "three million, eight hundred thirty thousand, nine hundred forty".