39999048 has 16 divisors (see below), whose sum is σ = 99997680. Its totient is φ = 13333008.

The previous prime is 39999023. The next prime is 39999049. The reversal of 39999048 is 84099993.

It is not an unprimeable number, because it can be changed into a prime (39999049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 833290 + ... + 833337.

It is an arithmetic number, because the mean of its divisors is an integer number (6249855).

Almost surely, 2^39999048 is an apocalyptic number.

It is an amenable number.

39999048 is an abundant number, since it is smaller than the sum of its proper divisors (59998632).

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

39999048 is a wasteful number, since it uses less digits than its factorization.

39999048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1666636 (or 1666632 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 51.

The square root of 39999048 is about 6324.4800576806. The cubic root of 39999048 is about 341.9924761520.

The spelling of 39999048 in words is "thirty-nine million, nine hundred ninety-nine thousand, forty-eight".