39887130 has 32 divisors (see below), whose sum is σ = 96811200. Its totient is φ = 10516352.

The previous prime is 39887123. The next prime is 39887149. The reversal of 39887130 is 3178893.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800 + ... + 10139.

It is an arithmetic number, because the mean of its divisors is an integer number (3025350).

Almost surely, 2^39887130 is an apocalyptic number.

39887130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

39887130 is an abundant number, since it is smaller than the sum of its proper divisors (56924070).

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

39887130 is a wasteful number, since it uses less digits than its factorization.

39887130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15038.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 39887130 is about 6315.6258597229. The cubic root of 39887130 is about 341.6732113228.

The spelling of 39887130 in words is "thirty-nine million, eight hundred eighty-seven thousand, one hundred thirty".