90494468 has 24 divisors (see below), whose sum is σ = 169179192. Its totient is φ = 42205184.

The previous prime is 90494447. The next prime is 90494483. The reversal of 90494468 is 86449409.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8809024 + 81685444 = 2968^2 + 9038^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1796 + ... + 13572.

It is an arithmetic number, because the mean of its divisors is an integer number (7049133).

Almost surely, 2^90494468 is an apocalyptic number.

It is an amenable number.

90494468 is a deficient number, since it is larger than the sum of its proper divisors (78684724).

90494468 is a wasteful number, since it uses less digits than its factorization.

90494468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11911 (or 11909 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 90494468 is about 9512.8580353120. The cubic root of 90494468 is about 448.9596840801.

The spelling of 90494468 in words is "ninety million, four hundred ninety-four thousand, four hundred sixty-eight".