39960902 has 4 divisors (see below), whose sum is σ = 59941356. Its totient is φ = 19980450.

The previous prime is 39960901. The next prime is 39960923. The reversal of 39960902 is 20906993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20906993 = 3049 ⋅6857.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39960901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9990224 + ... + 9990227.

It is an arithmetic number, because the mean of its divisors is an integer number (14985339).

Almost surely, 2^39960902 is an apocalyptic number.

39960902 is a deficient number, since it is larger than the sum of its proper divisors (19980454).

39960902 is a wasteful number, since it uses less digits than its factorization.

39960902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19980453.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 39960902 is about 6321.4635963517. The cubic root of 39960902 is about 341.8837252780.

The spelling of 39960902 in words is "thirty-nine million, nine hundred sixty thousand, nine hundred two".