33444985 has 16 divisors (see below), whose sum is σ = 46014336. Its totient is φ = 22860288.

The previous prime is 33444947. The next prime is 33444991. The reversal of 33444985 is 58944433.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 33444985 - 2⁷ = 33444857 is a prime.

It is a super-2 number, since 2×33444985² = 2237134043300450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11002 + ... + 13708.

It is an arithmetic number, because the mean of its divisors is an integer number (2875896).

Almost surely, 2^33444985 is an apocalyptic number.

33444985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

33444985 is a deficient number, since it is larger than the sum of its proper divisors (12569351).

33444985 is a wasteful number, since it uses less digits than its factorization.

33444985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3072.

The product of its digits is 207360, while the sum is 40.

The square root of 33444985 is about 5783.1639264333. The cubic root of 33444985 is about 322.1887227472.

The spelling of 33444985 in words is "thirty-three million, four hundred forty-four thousand, nine hundred eighty-five".