39800124 has 72 divisors (see below), whose sum is σ = 123832800. Its totient is φ = 10495872.

The previous prime is 39800099. The next prime is 39800129. The reversal of 39800124 is 42100893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39800129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2799 + ... + 9350.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^39800124 is an apocalyptic number.

It is an amenable number.

39800124 is an abundant number, since it is smaller than the sum of its proper divisors (84032676).

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

39800124 is a wasteful number, since it uses less digits than its factorization.

39800124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12179 (or 12174 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 39800124 is about 6308.7339458880. The cubic root of 39800124 is about 341.4245992964.

The spelling of 39800124 in words is "thirty-nine million, eight hundred thousand, one hundred twenty-four".