33997000 has 32 divisors (see below), whose sum is σ = 79555320. Its totient is φ = 13598400.

The previous prime is 33996997. The next prime is 33997031. The reversal of 33997000 is 79933.

It can be written as a sum of positive squares in 4 ways, for example, as 11737476 + 22259524 = 3426^2 + 4718^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15999 + ... + 17998.

Almost surely, 2^33997000 is an apocalyptic number.

It is an amenable number.

33997000 is an abundant number, since it is smaller than the sum of its proper divisors (45558320).

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

33997000 is a wasteful number, since it uses less digits than its factorization.

33997000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34018 (or 34004 counting only the distinct ones).

The product of its (nonzero) digits is 5103, while the sum is 31.

The square root of 33997000 is about 5830.6946412928. The cubic root of 33997000 is about 323.9516515775.

The spelling of 33997000 in words is "thirty-three million, nine hundred ninety-seven thousand".