33640396 has 6 divisors (see below), whose sum is σ = 58870700. Its totient is φ = 16820196.

The previous prime is 33640379. The next prime is 33640417. The reversal of 33640396 is 69304633.

It is a super-2 number, since 2×33640396² = 2263352486073632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4205046 + ... + 4205053.

Almost surely, 2^33640396 is an apocalyptic number.

It is an amenable number.

33640396 is a deficient number, since it is larger than the sum of its proper divisors (25230304).

33640396 is a wasteful number, since it uses less digits than its factorization.

33640396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8410103 (or 8410101 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 34.

The square root of 33640396 is about 5800.0341378306. The cubic root of 33640396 is about 322.8149950014.

The spelling of 33640396 in words is "thirty-three million, six hundred forty thousand, three hundred ninety-six".