90569468 has 18 divisors (see below), whose sum is σ = 174216168. Its totient is φ = 41167720.

The previous prime is 90569431. The next prime is 90569473. The reversal of 90569468 is 86496509.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 93080 + ... + 94047.

It is an arithmetic number, because the mean of its divisors is an integer number (9678676).

Almost surely, 2^90569468 is an apocalyptic number.

It is an amenable number.

90569468 is a deficient number, since it is larger than the sum of its proper divisors (83646700).

90569468 is a wasteful number, since it uses less digits than its factorization.

90569468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187153 (or 187140 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 90569468 is about 9516.7992518493. The cubic root of 90569468 is about 449.0836794252.

The spelling of 90569468 in words is "ninety million, five hundred sixty-nine thousand, four hundred sixty-eight".