90869264 has 20 divisors (see below), whose sum is σ = 176335440. Its totient is φ = 45363360.

The previous prime is 90869249. The next prime is 90869269. The reversal of 90869264 is 46296809.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (90869269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6947 + ... + 15165.

It is an arithmetic number, because the mean of its divisors is an integer number (8816772).

Almost surely, 2^90869264 is an apocalyptic number.

It is an amenable number.

90869264 is a deficient number, since it is larger than the sum of its proper divisors (85466176).

90869264 is a wasteful number, since it uses less digits than its factorization.

90869264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8918 (or 8912 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 90869264 is about 9532.5371229280. The cubic root of 90869264 is about 449.5786409731.

The spelling of 90869264 in words is "ninety million, eight hundred sixty-nine thousand, two hundred sixty-four".