33997116 has 12 divisors (see below), whose sum is σ = 79326632. Its totient is φ = 11332368.

The previous prime is 33997091. The next prime is 33997123. The reversal of 33997116 is 61179933.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1416535 + ... + 1416558.

Almost surely, 2^33997116 is an apocalyptic number.

It is an amenable number.

33997116 is an abundant number, since it is smaller than the sum of its proper divisors (45329516).

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

33997116 is a wasteful number, since it uses less digits than its factorization.

33997116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2833100 (or 2833098 counting only the distinct ones).

The product of its digits is 30618, while the sum is 39.

The square root of 33997116 is about 5830.7045886411. The cubic root of 33997116 is about 323.9520200252.

The spelling of 33997116 in words is "thirty-three million, nine hundred ninety-seven thousand, one hundred sixteen".