90266994 has 32 divisors (see below), whose sum is σ = 205490880. Its totient is φ = 29354400.

The previous prime is 90266989. The next prime is 90267011. The reversal of 90266994 is 49966209.

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, 18172 + ... + 22599.

It is an arithmetic number, because the mean of its divisors is an integer number (6421590).

Almost surely, 2^90266994 is an apocalyptic number.

90266994 is an abundant number, since it is smaller than the sum of its proper divisors (115223886).

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

90266994 is a wasteful number, since it uses less digits than its factorization.

90266994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40823 (or 40817 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 90266994 is about 9500.8943789519. The cubic root of 90266994 is about 448.5831883365.

It can be divided in two parts, 902 and 66994, that added together give a triangular number (67896 = T₃₆₈).

The spelling of 90266994 in words is "ninety million, two hundred sixty-six thousand, nine hundred ninety-four".