90588969 has 16 divisors (see below), whose sum is σ = 134411200. Its totient is φ = 60300288.

The previous prime is 90588961. The next prime is 90589007. The reversal of 90588969 is 96988509.

It is not a de Polignac number, because 90588969 - 2³ = 90588961 is a prime.

It is a super-2 number, since 2×90588969² = 16412722608965922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (90588961) 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 15 ways as a sum of consecutive naturals, for example, 18582 + ... + 22944.

It is an arithmetic number, because the mean of its divisors is an integer number (8400700).

Almost surely, 2^90588969 is an apocalyptic number.

It is an amenable number.

90588969 is a deficient number, since it is larger than the sum of its proper divisors (43822231).

90588969 is a wasteful number, since it uses less digits than its factorization.

90588969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141 (or 5135 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The square root of 90588969 is about 9517.8237533587. The cubic root of 90588969 is about 449.1159086541.

The spelling of 90588969 in words is "ninety million, five hundred eighty-eight thousand, nine hundred sixty-nine".