90944604 has 18 divisors (see below), whose sum is σ = 229887840. Its totient is φ = 30314856.

The previous prime is 90944603. The next prime is 90944629. The reversal of 90944604 is 40644909.

90944604 is a `hidden beast` number, since 9 + 0 + 9 + 44 + 604 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2526239 = 90944604 / (9 + 0 + 9 + 4 + 4 + 6 + 0 + 4).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90944603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1263084 + ... + 1263155.

Almost surely, 2^90944604 is an apocalyptic number.

It is an amenable number.

90944604 is an abundant number, since it is smaller than the sum of its proper divisors (138943236).

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

90944604 is a wasteful number, since it uses less digits than its factorization.

90944604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526249 (or 2526244 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 90944604 is about 9536.4880328138. The cubic root of 90944604 is about 449.7028556845.

The spelling of 90944604 in words is "ninety million, nine hundred forty-four thousand, six hundred four".