33413994 has 12 divisors (see below), whose sum is σ = 72397026. Its totient is φ = 11137992.

The previous prime is 33413983. The next prime is 33413999. The reversal of 33413994 is 49931433.

It can be written as a sum of positive squares in only one way, i.e., 19686969 + 13727025 = 4437^2 + 3705^2 .

It is a super-2 number, since 2×33413994² = 2232989990064072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33413999) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 928149 + ... + 928184.

Almost surely, 2^33413994 is an apocalyptic number.

33413994 is an abundant number, since it is smaller than the sum of its proper divisors (38983032).

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

33413994 is a wasteful number, since it uses less digits than its factorization.

33413994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856341 (or 1856338 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 33413994 is about 5780.4838897795. The cubic root of 33413994 is about 322.0891758206.

The spelling of 33413994 in words is "thirty-three million, four hundred thirteen thousand, nine hundred ninety-four".