39426057 has 24 divisors (see below), whose sum is σ = 62756928. Its totient is φ = 23652000.

The previous prime is 39426001. The next prime is 39426061. The reversal of 39426057 is 75062493.

39426057 is a `hidden beast` number, since 3 + 9 + 42 + 605 + 7 = 666.

It is not a de Polignac number, because 39426057 - 2⁷ = 39425929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39426097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8028 + ... + 11970.

It is an arithmetic number, because the mean of its divisors is an integer number (2614872).

Almost surely, 2^39426057 is an apocalyptic number.

It is an amenable number.

39426057 is a deficient number, since it is larger than the sum of its proper divisors (23330871).

39426057 is a wasteful number, since it uses less digits than its factorization.

39426057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4058 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 39426057 is about 6279.0172001676. The cubic root of 39426057 is about 340.3515884366.

It can be divided in two parts, 3942 and 6057, that added together give a palindrome (9999).

The spelling of 39426057 in words is "thirty-nine million, four hundred twenty-six thousand, fifty-seven".