90837044 has 24 divisors (see below), whose sum is σ = 161736960. Its totient is φ = 44632224.

The previous prime is 90836987. The next prime is 90837053. The reversal of 90837044 is 44073809.

It is a junction number, because it is equal to n+sod(n) for n = 90836995 and 90837013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82562 + ... + 83654.

It is an arithmetic number, because the mean of its divisors is an integer number (6739040).

Almost surely, 2^90837044 is an apocalyptic number.

It is an amenable number.

90837044 is a deficient number, since it is larger than the sum of its proper divisors (70899916).

90837044 is a wasteful number, since it uses less digits than its factorization.

90837044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439 (or 1437 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 90837044 is about 9530.8469718069. The cubic root of 90837044 is about 449.5254981921.

The spelling of 90837044 in words is "ninety million, eight hundred thirty-seven thousand, forty-four".