3938916 has 12 divisors (see below), whose sum is σ = 9190832. Its totient is φ = 1312968.

The previous prime is 3938903. The next prime is 3938923. The reversal of 3938916 is 6198393.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×3938916³ (a number of 21 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164110 + ... + 164133.

Almost surely, 2^3938916 is an apocalyptic number.

It is an amenable number.

3938916 is an abundant number, since it is smaller than the sum of its proper divisors (5251916).

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

3938916 is a wasteful number, since it uses less digits than its factorization.

3938916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328250 (or 328248 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 3938916 is about 1984.6702496888. The cubic root of 3938916 is about 157.9279166996.

The spelling of 3938916 in words is "three million, nine hundred thirty-eight thousand, nine hundred sixteen".