3931426 has 8 divisors (see below), whose sum is σ = 5985360. Its totient is φ = 1936308.

The previous prime is 3931399. The next prime is 3931439. The reversal of 3931426 is 6241393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3931426² = 30912220786952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3931394 and 3931403.

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, 14536 + ... + 14803.

It is an arithmetic number, because the mean of its divisors is an integer number (748170).

Almost surely, 2^3931426 is an apocalyptic number.

3931426 is a deficient number, since it is larger than the sum of its proper divisors (2053934).

3931426 is a wasteful number, since it uses less digits than its factorization.

3931426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29408.

The product of its digits is 3888, while the sum is 28.

The square root of 3931426 is about 1982.7823884632. The cubic root of 3931426 is about 157.8277511843.

It can be divided in two parts, 39314 and 26, that added together give a triangular number (39340 = T₂₈₀).

The spelling of 3931426 in words is "three million, nine hundred thirty-one thousand, four hundred twenty-six".