90565460 has 24 divisors (see below), whose sum is σ = 201375720. Its totient is φ = 34095104.

The previous prime is 90565451. The next prime is 90565471. The reversal of 90565460 is 6456509.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 40806544 + 49758916 = 6388^2 + 7054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90565460.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132845 + ... + 133524.

It is an arithmetic number, because the mean of its divisors is an integer number (8390655).

Almost surely, 2^90565460 is an apocalyptic number.

It is an amenable number.

90565460 is an abundant number, since it is smaller than the sum of its proper divisors (110810260).

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

90565460 is a wasteful number, since it uses less digits than its factorization.

90565460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266395 (or 266393 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 90565460 is about 9516.5886745199. The cubic root of 90565460 is about 449.0770548456.

The spelling of 90565460 in words is "ninety million, five hundred sixty-five thousand, four hundred sixty".