33993036 has 72 divisors (see below), whose sum is σ = 107138304. Its totient is φ = 8828640.

The previous prime is 33992983. The next prime is 33993041. The reversal of 33993036 is 63039933.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3360 + ... + 8903.

It is an arithmetic number, because the mean of its divisors is an integer number (1488032).

Almost surely, 2^33993036 is an apocalyptic number.

33993036 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

33993036 is an abundant number, since it is smaller than the sum of its proper divisors (73145268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33993036 is a wasteful number, since it uses less digits than its factorization.

33993036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291 (or 12286 counting only the distinct ones).

The product of its (nonzero) digits is 39366, while the sum is 36.

The square root of 33993036 is about 5830.3547061907. The cubic root of 33993036 is about 323.9390603267.

The spelling of 33993036 in words is "thirty-three million, nine hundred ninety-three thousand, thirty-six".