39801056 has 12 divisors (see below), whose sum is σ = 78358392. Its totient is φ = 19900512.

The previous prime is 39801053. The next prime is 39801059. The reversal of 39801056 is 65010893.

It is an interprime number because it is at equal distance from previous prime (39801053) and next prime (39801059).

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1243783 = 39801056 / (3 + 9 + 8 + 0 + 1 + 0 + 5 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39801053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 621860 + ... + 621923.

It is an arithmetic number, because the mean of its divisors is an integer number (6529866).

Almost surely, 2^39801056 is an apocalyptic number.

It is an amenable number.

39801056 is a deficient number, since it is larger than the sum of its proper divisors (38557336).

39801056 is a wasteful number, since it uses less digits than its factorization.

39801056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1243793 (or 1243785 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 39801056 is about 6308.8078113063. The cubic root of 39801056 is about 341.4272643236.

The spelling of 39801056 in words is "thirty-nine million, eight hundred one thousand, fifty-six".