38999051 has 12 divisors (see below), whose sum is σ = 48856752. Its totient is φ = 30855888.

The previous prime is 38999021. The next prime is 38999057. The reversal of 38999051 is 15099983.

It is not a de Polignac number, because 38999051 - 2²² = 34804747 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38998993 and 38999011.

It is not an unprimeable number, because it can be changed into a prime (38999057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29975 + ... + 31248.

It is an arithmetic number, because the mean of its divisors is an integer number (4071396).

Almost surely, 2^38999051 is an apocalyptic number.

38999051 is a deficient number, since it is larger than the sum of its proper divisors (9857701).

38999051 is a wasteful number, since it uses less digits than its factorization.

38999051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61250 (or 61243 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 44.

The square root of 38999051 is about 6244.9220171272. The cubic root of 38999051 is about 339.1183936298.

The spelling of 38999051 in words is "thirty-eight million, nine hundred ninety-nine thousand, fifty-one".