90460881 has 64 divisors (see below), whose sum is σ = 163737600. Its totient is φ = 48813840.

The previous prime is 90460873. The next prime is 90460891. The reversal of 90460881 is 18806409.

It is a happy number.

It is not a de Polignac number, because 90460881 - 2³ = 90460873 is a prime.

It is a super-2 number, since 2×90460881² = 16366341982592322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90460861) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 290716 + ... + 291026.

It is an arithmetic number, because the mean of its divisors is an integer number (2558400).

Almost surely, 2^90460881 is an apocalyptic number.

It is an amenable number.

90460881 is a deficient number, since it is larger than the sum of its proper divisors (73276719).

90460881 is an equidigital number, since it uses as much as digits as its factorization.

90460881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 340 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 90460881 is about 9511.0925239953. The cubic root of 90460881 is about 448.9041334474.

The spelling of 90460881 in words is "ninety million, four hundred sixty thousand, eight hundred eighty-one".