39972026 has 16 divisors (see below), whose sum is σ = 62202624. Its totient is φ = 19250784.

The previous prime is 39972013. The next prime is 39972059. The reversal of 39972026 is 62027993.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3095 + ... + 9461.

It is an arithmetic number, because the mean of its divisors is an integer number (3887664).

Almost surely, 2^39972026 is an apocalyptic number.

39972026 is a deficient number, since it is larger than the sum of its proper divisors (22230598).

39972026 is a wasteful number, since it uses less digits than its factorization.

39972026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485.

The product of its (nonzero) digits is 40824, while the sum is 38.

The square root of 39972026 is about 6322.3433946599. The cubic root of 39972026 is about 341.9154459644.

The spelling of 39972026 in words is "thirty-nine million, nine hundred seventy-two thousand, twenty-six".