90442104 has 32 divisors (see below), whose sum is σ = 226962000. Its totient is φ = 30033152.

The previous prime is 90442081. The next prime is 90442169. The reversal of 90442104 is 40124409.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 549 + ... + 13460.

Almost surely, 2^90442104 is an apocalyptic number.

It is an amenable number.

90442104 is an abundant number, since it is smaller than the sum of its proper divisors (136519896).

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

90442104 is a wasteful number, since it uses less digits than its factorization.

90442104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14287 (or 14283 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 90442104 is about 9510.1053621924. The cubic root of 90442104 is about 448.8730715634.

The spelling of 90442104 in words is "ninety million, four hundred forty-two thousand, one hundred four".