90364660 has 12 divisors (see below), whose sum is σ = 189765828. Its totient is φ = 36145856.

The previous prime is 90364643. The next prime is 90364663. The reversal of 90364660 is 6646309.

It can be written as a sum of positive squares in 2 ways, for example, as 54819216 + 35545444 = 7404^2 + 5962^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90364663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2259097 + ... + 2259136.

It is an arithmetic number, because the mean of its divisors is an integer number (15813819).

Almost surely, 2^90364660 is an apocalyptic number.

It is an amenable number.

90364660 is an abundant number, since it is smaller than the sum of its proper divisors (99401168).

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

90364660 is a wasteful number, since it uses less digits than its factorization.

90364660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4518242 (or 4518240 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 90364660 is about 9506.0328213193. The cubic root of 90364660 is about 448.7449142432.

The spelling of 90364660 in words is "ninety million, three hundred sixty-four thousand, six hundred sixty".