90609036 has 36 divisors (see below), whose sum is σ = 245940408. Its totient is φ = 25888128.

The previous prime is 90608981. The next prime is 90609047. The reversal of 90609036 is 63090609.

It is a junction number, because it is equal to n+sod(n) for n = 90608988 and 90609006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76461 + ... + 77636.

It is an arithmetic number, because the mean of its divisors is an integer number (6831678).

Almost surely, 2^90609036 is an apocalyptic number.

It is an amenable number.

90609036 is an abundant number, since it is smaller than the sum of its proper divisors (155331372).

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

90609036 is a wasteful number, since it uses less digits than its factorization.

90609036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154118 (or 154109 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 90609036 is about 9518.8778750439. The cubic root of 90609036 is about 449.1490684809.

The spelling of 90609036 in words is "ninety million, six hundred nine thousand, thirty-six".