39956901 has 8 divisors (see below), whose sum is σ = 53314560. Its totient is φ = 26618592.

The previous prime is 39956869. The next prime is 39956927. The reversal of 39956901 is 10965993.

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

It is not a de Polignac number, because 39956901 - 2⁵ = 39956869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39956951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 985 + ... + 8993.

It is an arithmetic number, because the mean of its divisors is an integer number (6664320).

Almost surely, 2^39956901 is an apocalyptic number.

It is an amenable number.

39956901 is a deficient number, since it is larger than the sum of its proper divisors (13357659).

39956901 is a wasteful number, since it uses less digits than its factorization.

39956901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9675.

The product of its (nonzero) digits is 65610, while the sum is 42.

The square root of 39956901 is about 6321.1471269066. The cubic root of 39956901 is about 341.8723147711.

The spelling of 39956901 in words is "thirty-nine million, nine hundred fifty-six thousand, nine hundred one".