90919152 has 40 divisors (see below), whose sum is σ = 260972880. Its totient is φ = 30306240.

The previous prime is 90919141. The next prime is 90919193. The reversal of 90919152 is 25191909.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 104799 + ... + 105662.

It is an arithmetic number, because the mean of its divisors is an integer number (6524322).

Almost surely, 2^90919152 is an apocalyptic number.

It is an amenable number.

90919152 is an abundant number, since it is smaller than the sum of its proper divisors (170053728).

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

90919152 is a wasteful number, since it uses less digits than its factorization.

90919152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210478 (or 210466 counting only the distinct ones).

The product of its (nonzero) digits is 7290, while the sum is 36.

The square root of 90919152 is about 9535.1534859173. The cubic root of 90919152 is about 449.6609000892.

The spelling of 90919152 in words is "ninety million, nine hundred nineteen thousand, one hundred fifty-two".