90470660 has 36 divisors (see below), whose sum is σ = 221009292. Its totient is φ = 31018176.

The previous prime is 90470621. The next prime is 90470671. The reversal of 90470660 is 6607409.

It can be written as a sum of positive squares in 2 ways, for example, as 58003456 + 32467204 = 7616^2 + 5698^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45179 + ... + 47138.

It is an arithmetic number, because the mean of its divisors is an integer number (6139147).

Almost surely, 2^90470660 is an apocalyptic number.

It is an amenable number.

90470660 is an abundant number, since it is smaller than the sum of its proper divisors (130538632).

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

90470660 is a wasteful number, since it uses less digits than its factorization.

90470660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92340 (or 92331 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 90470660 is about 9511.6065940513. The cubic root of 90470660 is about 448.9203086726.

The spelling of 90470660 in words is "ninety million, four hundred seventy thousand, six hundred sixty".