933149172 has 12 divisors (see below), whose sum is σ = 2177348096. Its totient is φ = 311049720.

The previous prime is 933149167. The next prime is 933149177. The reversal of 933149172 is 271941339.

It is an interprime number because it is at equal distance from previous prime (933149167) and next prime (933149177).

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

It is a self number, because there is not a number n which added to its sum of digits gives 933149172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (933149177) 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, 38881204 + ... + 38881227.

Almost surely, 2^933149172 is an apocalyptic number.

It is an amenable number.

933149172 is an abundant number, since it is smaller than the sum of its proper divisors (1244198924).

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

933149172 is a wasteful number, since it uses less digits than its factorization.

933149172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77762438 (or 77762436 counting only the distinct ones).

The product of its digits is 40824, while the sum is 39.

The square root of 933149172 is about 30547.4904370228. The cubic root of 933149172 is about 977.2005251230.

The spelling of 933149172 in words is "nine hundred thirty-three million, one hundred forty-nine thousand, one hundred seventy-two".