33489964 has 6 divisors (see below), whose sum is σ = 58607444. Its totient is φ = 16744980.

The previous prime is 33489961. The next prime is 33489977. The reversal of 33489964 is 46998433.

It is a super-2 number, since 2×33489964² = 2243155377442592, which contains 22 as substring.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (33489961) 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 as a sum of consecutive naturals, namely, 4186242 + ... + 4186249.

Almost surely, 2^33489964 is an apocalyptic number.

It is an amenable number.

33489964 is a deficient number, since it is larger than the sum of its proper divisors (25117480).

33489964 is a wasteful number, since it uses less digits than its factorization.

33489964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372495 (or 8372493 counting only the distinct ones).

The product of its digits is 559872, while the sum is 46.

The square root of 33489964 is about 5787.0514081007. The cubic root of 33489964 is about 322.3330915261. Note that the first 3 decimals are identical.

It can be divided in two parts, 33489 and 964, that added together give a triangular number (34453 = T₂₆₂).

The spelling of 33489964 in words is "thirty-three million, four hundred eighty-nine thousand, nine hundred sixty-four".