33297964 has 12 divisors (see below), whose sum is σ = 66595984. Its totient is φ = 14270544.

The previous prime is 33297941. The next prime is 33297967. The reversal of 33297964 is 46979233.

33297964 is an admirable number.

It is a super-2 number, since 2×33297964² = 2217508813090592, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33297964.

It is not an unprimeable number, because it can be changed into a prime (33297967) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 594579 + ... + 594634.

Almost surely, 2^33297964 is an apocalyptic number.

It is an amenable number.

33297964 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

33297964 is a wasteful number, since it uses less digits than its factorization.

33297964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1189224 (or 1189222 counting only the distinct ones).

The product of its digits is 244944, while the sum is 43.

The square root of 33297964 is about 5770.4388048051. The cubic root of 33297964 is about 321.7159255313.

It can be divided in two parts, 332979 and 64, that multiplied together give a triangular number (21310656 = T₆₅₂₈).

The spelling of 33297964 in words is "thirty-three million, two hundred ninety-seven thousand, nine hundred sixty-four".