33689316 has 12 divisors (see below), whose sum is σ = 78608432. Its totient is φ = 11229768.

The previous prime is 33689239. The next prime is 33689317. The reversal of 33689316 is 61398633.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×33689316² = 2269940025095712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33689317) 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, 1403710 + ... + 1403733.

Almost surely, 2^33689316 is an apocalyptic number.

It is an amenable number.

33689316 is an abundant number, since it is smaller than the sum of its proper divisors (44919116).

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

33689316 is a wasteful number, since it uses less digits than its factorization.

33689316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807450 (or 2807448 counting only the distinct ones).

The product of its digits is 69984, while the sum is 39.

The square root of 33689316 is about 5804.2498223285. The cubic root of 33689316 is about 322.9713988356.

The spelling of 33689316 in words is "thirty-three million, six hundred eighty-nine thousand, three hundred sixteen".