33868811 has 32 divisors (see below), whose sum is σ = 40642560. Its totient is φ = 27979776.

The previous prime is 33868789. The next prime is 33868819. The reversal of 33868811 is 11886833.

It is not a de Polignac number, because 33868811 - 2¹⁰ = 33867787 is a prime.

It is a super-2 number, since 2×33868811² = 2294192717107442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33868819) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 349115 + ... + 349211.

It is an arithmetic number, because the mean of its divisors is an integer number (1270080).

Almost surely, 2^33868811 is an apocalyptic number.

33868811 is a deficient number, since it is larger than the sum of its proper divisors (6773749).

33868811 is a wasteful number, since it uses less digits than its factorization.

33868811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203.

The product of its digits is 27648, while the sum is 38.

The square root of 33868811 is about 5819.6916584988. The cubic root of 33868811 is about 323.5439750003.

The spelling of 33868811 in words is "thirty-three million, eight hundred sixty-eight thousand, eight hundred eleven".