90416580 has 24 divisors (see below), whose sum is σ = 253166592. Its totient is φ = 24111072.

The previous prime is 90416563. The next prime is 90416587. The reversal of 90416580 is 8561409.

It is not an unprimeable number, because it can be changed into a prime (90416587) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 753412 + ... + 753531.

It is an arithmetic number, because the mean of its divisors is an integer number (10548608).

Almost surely, 2^90416580 is an apocalyptic number.

It is an amenable number.

90416580 is an abundant number, since it is smaller than the sum of its proper divisors (162750012).

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

90416580 is a wasteful number, since it uses less digits than its factorization.

90416580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1506955 (or 1506953 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 90416580 is about 9508.7633265320. The cubic root of 90416580 is about 448.8308415484.

Adding to 90416580 its reverse (8561409), we get a palindrome (98977989).

The spelling of 90416580 in words is "ninety million, four hundred sixteen thousand, five hundred eighty".