33486861 has 4 divisors (see below), whose sum is σ = 44649152. Its totient is φ = 22324572.

The previous prime is 33486857. The next prime is 33486863. The reversal of 33486861 is 16868433.

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 not a de Polignac number, because 33486861 - 2² = 33486857 is a prime.

It is a super-2 number, since 2×33486861² = 2242739719266642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33486863) 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, 5581141 + ... + 5581146.

It is an arithmetic number, because the mean of its divisors is an integer number (11162288).

Almost surely, 2^33486861 is an apocalyptic number.

It is an amenable number.

33486861 is a deficient number, since it is larger than the sum of its proper divisors (11162291).

33486861 is a wasteful number, since it uses less digits than its factorization.

33486861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11162290.

The product of its digits is 82944, while the sum is 39.

The square root of 33486861 is about 5786.7833033560. The cubic root of 33486861 is about 322.3231360016.

The spelling of 33486861 in words is "thirty-three million, four hundred eighty-six thousand, eight hundred sixty-one".