39957022 has 8 divisors (see below), whose sum is σ = 68497776. Its totient is φ = 17124432.

The previous prime is 39956993. The next prime is 39957023. The reversal of 39957022 is 22075993.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39957023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1427023 + ... + 1427050.

It is an arithmetic number, because the mean of its divisors is an integer number (8562222).

Almost surely, 2^39957022 is an apocalyptic number.

39957022 is a deficient number, since it is larger than the sum of its proper divisors (28540754).

39957022 is a wasteful number, since it uses less digits than its factorization.

39957022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2854082.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 39957022 is about 6321.1566979470. The cubic root of 39957022 is about 341.8726598639.

The spelling of 39957022 in words is "thirty-nine million, nine hundred fifty-seven thousand, twenty-two".