39487998 has 16 divisors (see below), whose sum is σ = 86155776. Its totient is φ = 11966040.

The previous prime is 39487979. The next prime is 39488011. The reversal of 39487998 is 89978493.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299086 + ... + 299217.

It is an arithmetic number, because the mean of its divisors is an integer number (5384736).

Almost surely, 2^39487998 is an apocalyptic number.

39487998 is an abundant number, since it is smaller than the sum of its proper divisors (46667778).

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

39487998 is a wasteful number, since it uses less digits than its factorization.

39487998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598319.

The product of its digits is 3919104, while the sum is 57.

The square root of 39487998 is about 6283.9476445941. The cubic root of 39487998 is about 340.5297336254.

The spelling of 39487998 in words is "thirty-nine million, four hundred eighty-seven thousand, nine hundred ninety-eight".