90471258 has 24 divisors (see below), whose sum is σ = 196317108. Its totient is φ = 30111552.

The previous prime is 90471233. The next prime is 90471307. The reversal of 90471258 is 85217409.

It can be written as a sum of positive squares in 2 ways, for example, as 90383049 + 88209 = 9507^2 + 297^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9766 + ... + 16622.

Almost surely, 2^90471258 is an apocalyptic number.

90471258 is an abundant number, since it is smaller than the sum of its proper divisors (105845850).

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

90471258 is a wasteful number, since it uses less digits than its factorization.

90471258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7598 (or 7595 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 90471258 is about 9511.6380292776. The cubic root of 90471258 is about 448.9212977732.

The spelling of 90471258 in words is "ninety million, four hundred seventy-one thousand, two hundred fifty-eight".