90520460 has 24 divisors (see below), whose sum is σ = 190300320. Its totient is φ = 36168704.

The previous prime is 90520459. The next prime is 90520481. The reversal of 90520460 is 6402509.

It is a super-2 number, since 2×90520460² = 16387907357223200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22481 + ... + 26199.

It is an arithmetic number, because the mean of its divisors is an integer number (7929180).

Almost surely, 2^90520460 is an apocalyptic number.

It is an amenable number.

90520460 is an abundant number, since it is smaller than the sum of its proper divisors (99779860).

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

90520460 is a wasteful number, since it uses less digits than its factorization.

90520460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4945 (or 4943 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 90520460 is about 9514.2240881745. The cubic root of 90520460 is about 449.0026636615.

Adding to 90520460 its reverse (6402509), we get a palindrome (96922969).

The spelling of 90520460 in words is "ninety million, five hundred twenty thousand, four hundred sixty".