90985952 has 24 divisors (see below), whose sum is σ = 180809496. Its totient is φ = 45066112.

The previous prime is 90985891. The next prime is 90985957. The reversal of 90985952 is 25958909.

It is a super-2 number, since 2×90985952² = 16556886922692608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 90985897 and 90985906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90985957) 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 3 ways as a sum of consecutive naturals, for example, 9863 + ... + 16710.

It is an arithmetic number, because the mean of its divisors is an integer number (7533729).

Almost surely, 2^90985952 is an apocalyptic number.

It is an amenable number.

90985952 is a deficient number, since it is larger than the sum of its proper divisors (89823544).

90985952 is a wasteful number, since it uses less digits than its factorization.

90985952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26690 (or 26682 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 47.

The square root of 90985952 is about 9538.6556704810. The cubic root of 90985952 is about 449.7709978854.

The spelling of 90985952 in words is "ninety million, nine hundred eighty-five thousand, nine hundred fifty-two".