238005090 has 48 divisors (see below), whose sum is σ = 635546808. Its totient is φ = 61751808.

The previous prime is 238005029. The next prime is 238005101. The reversal of 238005090 is 90500832.

It can be written as a sum of positive squares in 4 ways, for example, as 237868929 + 136161 = 15423^2 + 369^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32407 + ... + 39066.

Almost surely, 2^238005090 is an apocalyptic number.

238005090 is an abundant number, since it is smaller than the sum of its proper divisors (397541718).

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

238005090 is a wasteful number, since it uses less digits than its factorization.

238005090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71523 (or 71520 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 238005090 is about 15427.4135875071. The cubic root of 238005090 is about 619.7198613020.

The spelling of 238005090 in words is "two hundred thirty-eight million, five thousand, ninety".