90833172 has 12 divisors (see below), whose sum is σ = 211944096. Its totient is φ = 30277720.

The previous prime is 90833161. The next prime is 90833177. The reversal of 90833172 is 27133809.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90833177) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3784704 + ... + 3784727.

It is an arithmetic number, because the mean of its divisors is an integer number (17662008).

Almost surely, 2^90833172 is an apocalyptic number.

It is an amenable number.

90833172 is an abundant number, since it is smaller than the sum of its proper divisors (121110924).

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

90833172 is a wasteful number, since it uses less digits than its factorization.

90833172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7569438 (or 7569436 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 90833172 is about 9530.6438397414. The cubic root of 90833172 is about 449.5191109761.

The spelling of 90833172 in words is "ninety million, eight hundred thirty-three thousand, one hundred seventy-two".