33398166 has 16 divisors (see below), whose sum is σ = 70725744. Its totient is φ = 10477824.

The previous prime is 33398159. The next prime is 33398203. The reversal of 33398166 is 66189333.

It is a super-2 number, since 2×33398166² = 2230874984327112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163615 + ... + 163818.

It is an arithmetic number, because the mean of its divisors is an integer number (4420359).

Almost surely, 2^33398166 is an apocalyptic number.

33398166 is an abundant number, since it is smaller than the sum of its proper divisors (37327578).

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

33398166 is a wasteful number, since it uses less digits than its factorization.

33398166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327455.

The product of its digits is 69984, while the sum is 39.

The square root of 33398166 is about 5779.1146380739. The cubic root of 33398166 is about 322.0383105788.

The spelling of 33398166 in words is "thirty-three million, three hundred ninety-eight thousand, one hundred sixty-six".