33800979 has 16 divisors (see below), whose sum is σ = 47070720. Its totient is φ = 21547680.

The previous prime is 33800969. The next prime is 33801011. The reversal of 33800979 is 97900833.

It is a happy number.

It is not a de Polignac number, because 33800979 - 2⁹ = 33800467 is a prime.

It is a super-2 number, since 2×33800979² = 2285012362716882, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33800939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7494 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (2941920).

Almost surely, 2^33800979 is an apocalyptic number.

33800979 is a deficient number, since it is larger than the sum of its proper divisors (13269741).

33800979 is a wasteful number, since it uses less digits than its factorization.

33800979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3770.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 33800979 is about 5813.8609374494. The cubic root of 33800979 is about 323.3278341314.

The spelling of 33800979 in words is "thirty-three million, eight hundred thousand, nine hundred seventy-nine".