38115018 has 12 divisors (see below), whose sum is σ = 82582578. Its totient is φ = 12705000.

The previous prime is 38115017. The next prime is 38115023. The reversal of 38115018 is 81051183.

It can be written as a sum of positive squares in only one way, i.e., 21930489 + 16184529 = 4683^2 + 4023^2 .

It is a junction number, because it is equal to n+sod(n) for n = 38114982 and 38115000.

It is not an unprimeable number, because it can be changed into a prime (38115017) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1058733 + ... + 1058768.

Almost surely, 2^38115018 is an apocalyptic number.

38115018 is an abundant number, since it is smaller than the sum of its proper divisors (44467560).

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

38115018 is a wasteful number, since it uses less digits than its factorization.

38115018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117509 (or 2117506 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 38115018 is about 6173.7361459654. The cubic root of 38115018 is about 336.5363987512.

The spelling of 38115018 in words is "thirty-eight million, one hundred fifteen thousand, eighteen".