39220656 has 40 divisors (see below), whose sum is σ = 102612480. Its totient is φ = 12906816.

The previous prime is 39220633. The next prime is 39220667. The reversal of 39220656 is 65602293.

39220656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1380 + ... + 8963.

It is an arithmetic number, because the mean of its divisors is an integer number (2565312).

Almost surely, 2^39220656 is an apocalyptic number.

It is an amenable number.

39220656 is an abundant number, since it is smaller than the sum of its proper divisors (63391824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39220656 is a wasteful number, since it uses less digits than its factorization.

39220656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10433 (or 10427 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 39220656 is about 6262.6396990407. The cubic root of 39220656 is about 339.7595069789.

The spelling of 39220656 in words is "thirty-nine million, two hundred twenty thousand, six hundred fifty-six".