33913690 has 24 divisors (see below), whose sum is σ = 63095220. Its totient is φ = 13124160.

The previous prime is 33913681. The next prime is 33913751. The reversal of 33913690 is 9631933.

It is a happy number.

33913690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 30791401 + 3122289 = 5549^2 + 1767^2 .

It is a super-2 number, since 2×33913690² = 2300276738832200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7846 + ... + 11374.

Almost surely, 2^33913690 is an apocalyptic number.

33913690 is a deficient number, since it is larger than the sum of its proper divisors (29181530).

33913690 is a wasteful number, since it uses less digits than its factorization.

33913690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3598 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 34.

The square root of 33913690 is about 5823.5461705047. The cubic root of 33913690 is about 323.6868195111.

The spelling of 33913690 in words is "thirty-three million, nine hundred thirteen thousand, six hundred ninety".