33990849 has 24 divisors (see below), whose sum is σ = 52895232. Its totient is φ = 20972160.

The previous prime is 33990841. The next prime is 33990851. The reversal of 33990849 is 94809933.

It is not a de Polignac number, because 33990849 - 2³ = 33990841 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (33990841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3769 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (2203968).

Almost surely, 2^33990849 is an apocalyptic number.

It is an amenable number.

33990849 is a deficient number, since it is larger than the sum of its proper divisors (18904383).

33990849 is a wasteful number, since it uses less digits than its factorization.

33990849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357 (or 5354 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 33990849 is about 5830.1671502625. The cubic root of 33990849 is about 323.9321131202.

The spelling of 33990849 in words is "thirty-three million, nine hundred ninety thousand, eight hundred forty-nine".