33890068 has 24 divisors (see below), whose sum is σ = 61478144. Its totient is φ = 16329600.

The previous prime is 33890033. The next prime is 33890117. The reversal of 33890068 is 86009833.

It is a happy number.

It is a super-2 number, since 2×33890068² = 2297073418089248, which contains 22 as substring.

It is a congruent number.

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, 41383 + ... + 42193.

Almost surely, 2^33890068 is an apocalyptic number.

It is an amenable number.

33890068 is a deficient number, since it is larger than the sum of its proper divisors (27588076).

33890068 is a wasteful number, since it uses less digits than its factorization.

33890068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 33890068 is about 5821.5176715355. The cubic root of 33890068 is about 323.6116492185.

The spelling of 33890068 in words is "thirty-three million, eight hundred ninety thousand, sixty-eight".