33890346 has 32 divisors (see below), whose sum is σ = 86071680. Its totient is φ = 9682848.

The previous prime is 33890327. The next prime is 33890383. The reversal of 33890346 is 64309833.

It is a super-2 number, since 2×33890346² = 2297111103999432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33890346.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44451 + ... + 45206.

It is an arithmetic number, because the mean of its divisors is an integer number (2689740).

Almost surely, 2^33890346 is an apocalyptic number.

33890346 is an abundant number, since it is smaller than the sum of its proper divisors (52181334).

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

33890346 is a wasteful number, since it uses less digits than its factorization.

33890346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89675 (or 89669 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 36.

The square root of 33890346 is about 5821.5415484217. The cubic root of 33890346 is about 323.6125340775.

The spelling of 33890346 in words is "thirty-three million, eight hundred ninety thousand, three hundred forty-six".