90291948 has 48 divisors (see below), whose sum is σ = 217311360. Its totient is φ = 29165184.

The previous prime is 90291937. The next prime is 90291953. The reversal of 90291948 is 84919209.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50811 + ... + 52557.

It is an arithmetic number, because the mean of its divisors is an integer number (4527320).

Almost surely, 2^90291948 is an apocalyptic number.

It is an amenable number.

90291948 is an abundant number, since it is smaller than the sum of its proper divisors (127019412).

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

90291948 is a wasteful number, since it uses less digits than its factorization.

90291948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 42.

The square root of 90291948 is about 9502.2075329894. The cubic root of 90291948 is about 448.6245209544.

The spelling of 90291948 in words is "ninety million, two hundred ninety-one thousand, nine hundred forty-eight".