33442986 has 16 divisors (see below), whose sum is σ = 69043968. Its totient is φ = 10788000.

The previous prime is 33442973. The next prime is 33443009. The reversal of 33442986 is 68924433.

It is a super-2 number, since 2×33442986² = 2236866625192392, which contains 22 as substring.

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, 89715 + ... + 90086.

It is an arithmetic number, because the mean of its divisors is an integer number (4315248).

Almost surely, 2^33442986 is an apocalyptic number.

33442986 is an abundant number, since it is smaller than the sum of its proper divisors (35600982).

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

33442986 is a wasteful number, since it uses less digits than its factorization.

33442986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179837.

The product of its digits is 124416, while the sum is 39.

The square root of 33442986 is about 5782.9910945807. The cubic root of 33442986 is about 322.1823035677.

The spelling of 33442986 in words is "thirty-three million, four hundred forty-two thousand, nine hundred eighty-six".