33486881 has 4 divisors (see below), whose sum is σ = 33521664. Its totient is φ = 33452100.

The previous prime is 33486863. The next prime is 33486917. The reversal of 33486881 is 18868433.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 33486881 - 2²² = 29292577 is a prime.

It is a super-2 number, since 2×33486881² = 2242742398216322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33486841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15905 + ... + 17886.

It is an arithmetic number, because the mean of its divisors is an integer number (8380416).

Almost surely, 2^33486881 is an apocalyptic number.

It is an amenable number.

33486881 is a deficient number, since it is larger than the sum of its proper divisors (34783).

33486881 is an equidigital number, since it uses as much as digits as its factorization.

33486881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34782.

The product of its digits is 110592, while the sum is 41.

The square root of 33486881 is about 5786.7850314315. The cubic root of 33486881 is about 322.3232001706.

The spelling of 33486881 in words is "thirty-three million, four hundred eighty-six thousand, eight hundred eighty-one".