90635450 has 24 divisors (see below), whose sum is σ = 168880188. Its totient is φ = 36190080.

The previous prime is 90635437. The next prime is 90635471. The reversal of 90635450 is 5453609.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 71284249 + 19351201 = 8443^2 + 4399^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35414 + ... + 37886.

Almost surely, 2^90635450 is an apocalyptic number.

90635450 is a deficient number, since it is larger than the sum of its proper divisors (78244738).

90635450 is a wasteful number, since it uses less digits than its factorization.

90635450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3218 (or 3213 counting only the distinct ones).

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 90635450 is about 9520.2652273978. The cubic root of 90635450 is about 449.1927089807.

The spelling of 90635450 in words is "ninety million, six hundred thirty-five thousand, four hundred fifty".