33394960 has 20 divisors (see below), whose sum is σ = 77643468. Its totient is φ = 13357952.

The previous prime is 33394937. The next prime is 33394993. The reversal of 33394960 is 6949333.

It can be written as a sum of positive squares in 2 ways, for example, as 26255376 + 7139584 = 5124^2 + 2672^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×33394960² = 2230446706803200, which contains 22 as substring.

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, 208639 + ... + 208798.

Almost surely, 2^33394960 is an apocalyptic number.

It is an amenable number.

33394960 is an abundant number, since it is smaller than the sum of its proper divisors (44248508).

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

33394960 is a wasteful number, since it uses less digits than its factorization.

33394960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417450 (or 417444 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 33394960 is about 5778.8372532889. The cubic root of 33394960 is about 322.0280057428.

The spelling of 33394960 in words is "thirty-three million, three hundred ninety-four thousand, nine hundred sixty".