38124999 has 48 divisors (see below), whose sum is σ = 66044160. Its totient is φ = 21720960.

The previous prime is 38124991. The next prime is 38125049. The reversal of 38124999 is 99942183.

It is not a de Polignac number, because 38124999 - 2³ = 38124991 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38124991) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45022 + ... + 45860.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^38124999 is an apocalyptic number.

38124999 is a deficient number, since it is larger than the sum of its proper divisors (27919161).

38124999 is a wasteful number, since it uses less digits than its factorization.

38124999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882 (or 870 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 38124999 is about 6174.5444366366. The cubic root of 38124999 is about 336.5657719206.

The spelling of 38124999 in words is "thirty-eight million, one hundred twenty-four thousand, nine hundred ninety-nine".