33490806 has 64 divisors (see below), whose sum is σ = 75271680. Its totient is φ = 9884160.

The previous prime is 33490801. The next prime is 33490813. The reversal of 33490806 is 60809433.

It is a super-2 number, since 2×33490806² = 2243268173059272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33490801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138846 + ... + 139086.

It is an arithmetic number, because the mean of its divisors is an integer number (1176120).

Almost surely, 2^33490806 is an apocalyptic number.

33490806 is an abundant number, since it is smaller than the sum of its proper divisors (41780874).

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

33490806 is a wasteful number, since it uses less digits than its factorization.

33490806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 33490806 is about 5787.1241562628. The cubic root of 33490806 is about 322.3357928547.

The spelling of 33490806 in words is "thirty-three million, four hundred ninety thousand, eight hundred six".