33864928 has 24 divisors (see below), whose sum is σ = 67081392. Its totient is φ = 16828416.

The previous prime is 33864917. The next prime is 33864937. The reversal of 33864928 is 82946833.

It is a super-2 number, since 2×33864928² = 2293666696890368, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176 + ... + 8512.

It is an arithmetic number, because the mean of its divisors is an integer number (2795058).

Almost surely, 2^33864928 is an apocalyptic number.

It is an amenable number.

33864928 is a deficient number, since it is larger than the sum of its proper divisors (33216464).

33864928 is a wasteful number, since it uses less digits than its factorization.

33864928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6514 (or 6506 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 33864928 is about 5819.3580401965. The cubic root of 33864928 is about 323.5316099439.

The spelling of 33864928 in words is "thirty-three million, eight hundred sixty-four thousand, nine hundred twenty-eight".