90508488 has 48 divisors (see below), whose sum is σ = 263216880. Its totient is φ = 25859232.

The previous prime is 90508447. The next prime is 90508501. The reversal of 90508488 is 88480509.

It is a super-2 number, since 2×90508488² = 16383572800092288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37306 + ... + 39657.

It is an arithmetic number, because the mean of its divisors is an integer number (5483685).

Almost surely, 2^90508488 is an apocalyptic number.

90508488 is a gapful number since it is divisible by the number (98) formed by its first and last digit.

It is an amenable number.

90508488 is an abundant number, since it is smaller than the sum of its proper divisors (172708392).

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

90508488 is a wasteful number, since it uses less digits than its factorization.

90508488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76986 (or 76975 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 42.

The square root of 90508488 is about 9513.5949041359. The cubic root of 90508488 is about 448.9828681482.

The spelling of 90508488 in words is "ninety million, five hundred eight thousand, four hundred eighty-eight".