90861268 has 12 divisors (see below), whose sum is σ = 167376160. Its totient is φ = 43039512.

The previous prime is 90861229. The next prime is 90861299. The reversal of 90861268 is 86216809.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 90861268.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 597696 + ... + 597847.

Almost surely, 2^90861268 is an apocalyptic number.

It is an amenable number.

90861268 is a deficient number, since it is larger than the sum of its proper divisors (76514892).

90861268 is a wasteful number, since it uses less digits than its factorization.

90861268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195566 (or 1195564 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 90861268 is about 9532.1177080437. The cubic root of 90861268 is about 449.5654537629.

The spelling of 90861268 in words is "ninety million, eight hundred sixty-one thousand, two hundred sixty-eight".