39124992 has 68 divisors (see below), whose sum is σ = 104856800. Its totient is φ = 12976128.

The previous prime is 39124991. The next prime is 39124999. The reversal of 39124992 is 29942193.

It is a nialpdrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 39124992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39124991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196509 + ... + 196707.

Almost surely, 2^39124992 is an apocalyptic number.

39124992 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39124992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52428400).

39124992 is an abundant number, since it is smaller than the sum of its proper divisors (65731808).

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

39124992 is an frugal number, since it uses more digits than its factorization.

39124992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 204 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 39124992 is about 6254.9973621098. The cubic root of 39124992 is about 339.4830436835.

The spelling of 39124992 in words is "thirty-nine million, one hundred twenty-four thousand, nine hundred ninety-two".