38980090 has 16 divisors (see below), whose sum is σ = 70236072. Its totient is φ = 15576064.

The previous prime is 38980043. The next prime is 38980093. The reversal of 38980090 is 9008983.

It can be written as a sum of positive squares in 4 ways, for example, as 37687321 + 1292769 = 6139^2 + 1137^2 .

It is not an unprimeable number, because it can be changed into a prime (38980093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15822 + ... + 18118.

Almost surely, 2^38980090 is an apocalyptic number.

38980090 is a deficient number, since it is larger than the sum of its proper divisors (31255982).

38980090 is a wasteful number, since it uses less digits than its factorization.

38980090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4001.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 38980090 is about 6243.4037191263. The cubic root of 38980090 is about 339.0634259144.

The spelling of 38980090 in words is "thirty-eight million, nine hundred eighty thousand, ninety".