90786244 has 48 divisors (see below), whose sum is σ = 173238912. Its totient is φ = 41513472.

The previous prime is 90786233. The next prime is 90786251. The reversal of 90786244 is 44268709.

It is a junction number, because it is equal to n+sod(n) for n = 90786197 and 90786206.

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, 209452 + ... + 209884.

It is an arithmetic number, because the mean of its divisors is an integer number (3609144).

Almost surely, 2^90786244 is an apocalyptic number.

It is an amenable number.

90786244 is a deficient number, since it is larger than the sum of its proper divisors (82452668).

90786244 is a wasteful number, since it uses less digits than its factorization.

90786244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 90786244 is about 9528.1815683791. The cubic root of 90786244 is about 449.4416845386.

The spelling of 90786244 in words is "ninety million, seven hundred eighty-six thousand, two hundred forty-four".