33990044 has 24 divisors (see below), whose sum is σ = 67713408. Its totient is φ = 14777840.

The previous prime is 33990037. The next prime is 33990053. The reversal of 33990044 is 44009933.

It is a super-2 number, since 2×33990044² = 2310646182243872, which contains 22 as substring.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15782 + ... + 17805.

It is an arithmetic number, because the mean of its divisors is an integer number (2821392).

Almost surely, 2^33990044 is an apocalyptic number.

It is an amenable number.

33990044 is a deficient number, since it is larger than the sum of its proper divisors (33723364).

33990044 is a wasteful number, since it uses less digits than its factorization.

33990044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33625 (or 33623 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 33990044 is about 5830.0981123820. The cubic root of 33990044 is about 323.9295558887.

Adding to 33990044 its reverse (44009933), we get a palindrome (77999977).

The spelling of 33990044 in words is "thirty-three million, nine hundred ninety thousand, forty-four".