38000090 has 16 divisors (see below), whose sum is σ = 68535072. Its totient is φ = 15170064.

The previous prime is 38000069. The next prime is 38000107. The reversal of 38000090 is 9000083.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1997 + ... + 8943.

It is an arithmetic number, because the mean of its divisors is an integer number (4283442).

Almost surely, 2^38000090 is an apocalyptic number.

38000090 is a deficient number, since it is larger than the sum of its proper divisors (30534982).

38000090 is a wasteful number, since it uses less digits than its factorization.

38000090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7501.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 38000090 is about 6164.4213029286. The cubic root of 38000090 is about 336.1978060988.

The spelling of 38000090 in words is "thirty-eight million, ninety", and thus it is an aban number and an uban number.