3938456 has 24 divisors (see below), whose sum is σ = 7627620. Its totient is φ = 1905456.

The previous prime is 3938449. The next prime is 3938471. The reversal of 3938456 is 6548393.

It is a super-2 number, since 2×3938456² = 31022871327872, 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 5 ways as a sum of consecutive naturals, for example, 36755 + ... + 36861.

Almost surely, 2^3938456 is an apocalyptic number.

It is an amenable number.

3938456 is a deficient number, since it is larger than the sum of its proper divisors (3689164).

3938456 is a wasteful number, since it uses less digits than its factorization.

3938456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 152 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 3938456 is about 1984.5543580361. The cubic root of 3938456 is about 157.9217686740.

The spelling of 3938456 in words is "three million, nine hundred thirty-eight thousand, four hundred fifty-six".