33130992 has 40 divisors (see below), whose sum is σ = 88543440. Its totient is φ = 10662400.

The previous prime is 33130987. The next prime is 33130997. The reversal of 33130992 is 29903133.

It is an interprime number because it is at equal distance from previous prime (33130987) and next prime (33130997).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33130997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10509 + ... + 13292.

It is an arithmetic number, because the mean of its divisors is an integer number (2213586).

Almost surely, 2^33130992 is an apocalyptic number.

It is an amenable number.

33130992 is an abundant number, since it is smaller than the sum of its proper divisors (55412448).

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

33130992 is a wasteful number, since it uses less digits than its factorization.

33130992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23841 (or 23835 counting only the distinct ones).

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 33130992 is about 5755.9527447678. The cubic root of 33130992 is about 321.1772780729.

The spelling of 33130992 in words is "thirty-three million, one hundred thirty thousand, nine hundred ninety-two".