90268902 has 12 divisors (see below), whose sum is σ = 195582660. Its totient is φ = 30089628.

The previous prime is 90268847. The next prime is 90268907. The reversal of 90268902 is 20986209.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90268907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2507452 + ... + 2507487.

It is an arithmetic number, because the mean of its divisors is an integer number (16298555).

Almost surely, 2^90268902 is an apocalyptic number.

90268902 is an abundant number, since it is smaller than the sum of its proper divisors (105313758).

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

90268902 is a wasteful number, since it uses less digits than its factorization.

90268902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5014947 (or 5014944 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 90268902 is about 9500.9947900207. The cubic root of 90268902 is about 448.5863489258.

The spelling of 90268902 in words is "ninety million, two hundred sixty-eight thousand, nine hundred two".