33486690 has 16 divisors (see below), whose sum is σ = 80368128. Its totient is φ = 8929776.

The previous prime is 33486671. The next prime is 33486697. The reversal of 33486690 is 9668433.

It is a super-2 number, since 2×33486690² = 2242716814312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33486697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558082 + ... + 558141.

It is an arithmetic number, because the mean of its divisors is an integer number (5023008).

Almost surely, 2^33486690 is an apocalyptic number.

33486690 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33486690 is an abundant number, since it is smaller than the sum of its proper divisors (46881438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33486690 is a wasteful number, since it uses less digits than its factorization.

33486690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116233.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 33486690 is about 5786.7685282893. The cubic root of 33486690 is about 322.3225873550.

The spelling of 33486690 in words is "thirty-three million, four hundred eighty-six thousand, six hundred ninety".