33115964 has 24 divisors (see below), whose sum is σ = 67586400. Its totient is φ = 14191968.

The previous prime is 33115913. The next prime is 33115969. The reversal of 33115964 is 46951133.

It is a self number, because there is not a number n which added to its sum of digits gives 33115964.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33115969) 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, 10697 + ... + 13440.

It is an arithmetic number, because the mean of its divisors is an integer number (2816100).

Almost surely, 2^33115964 is an apocalyptic number.

It is an amenable number.

33115964 is an abundant number, since it is smaller than the sum of its proper divisors (34470436).

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

33115964 is a wasteful number, since it uses less digits than its factorization.

33115964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24162 (or 24146 counting only the distinct ones).

The product of its digits is 9720, while the sum is 32.

The square root of 33115964 is about 5754.6471655524. The cubic root of 33115964 is about 321.1287094286.

The spelling of 33115964 in words is "thirty-three million, one hundred fifteen thousand, nine hundred sixty-four".