33664396 has 6 divisors (see below), whose sum is σ = 58912700. Its totient is φ = 16832196.

The previous prime is 33664391. The next prime is 33664427. The reversal of 33664396 is 69346633.

It is a super-2 number, since 2×33664396² = 2266583116089632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33664391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4208046 + ... + 4208053.

Almost surely, 2^33664396 is an apocalyptic number.

It is an amenable number.

33664396 is a deficient number, since it is larger than the sum of its proper divisors (25248304).

33664396 is a wasteful number, since it uses less digits than its factorization.

33664396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8416103 (or 8416101 counting only the distinct ones).

The product of its digits is 209952, while the sum is 40.

The square root of 33664396 is about 5802.1027222896. The cubic root of 33664396 is about 322.8917451698.

The spelling of 33664396 in words is "thirty-three million, six hundred sixty-four thousand, three hundred ninety-six".