33398164 has 6 divisors (see below), whose sum is σ = 58446794. Its totient is φ = 16699080.

The previous prime is 33398159. The next prime is 33398203. The reversal of 33398164 is 46189333.

It can be written as a sum of positive squares in only one way, i.e., 18421264 + 14976900 = 4292^2 + 3870^2 .

It is a super-2 number, since 2×33398164² = 2230874717141792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4174767 + ... + 4174774.

Almost surely, 2^33398164 is an apocalyptic number.

It is an amenable number.

33398164 is a deficient number, since it is larger than the sum of its proper divisors (25048630).

33398164 is a wasteful number, since it uses less digits than its factorization.

33398164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8349545 (or 8349543 counting only the distinct ones).

The product of its digits is 46656, while the sum is 37.

The square root of 33398164 is about 5779.1144650370. The cubic root of 33398164 is about 322.0383041505.

It can be divided in two parts, 3339816 and 4, that added together give a triangular number (3339820 = T₂₅₈₄).

The spelling of 33398164 in words is "thirty-three million, three hundred ninety-eight thousand, one hundred sixty-four".