90469866 has 16 divisors (see below), whose sum is σ = 181209888. Its totient is φ = 30111600.

The previous prime is 90469853. The next prime is 90469871. The reversal of 90469866 is 66896409.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6765 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (11325618).

Almost surely, 2^90469866 is an apocalyptic number.

90469866 is an abundant number, since it is smaller than the sum of its proper divisors (90740022).

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

90469866 is a wasteful number, since it uses less digits than its factorization.

90469866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22517.

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 90469866 is about 9511.5648554799. The cubic root of 90469866 is about 448.9189953784.

The spelling of 90469866 in words is "ninety million, four hundred sixty-nine thousand, eight hundred sixty-six".