33685036 has 24 divisors (see below), whose sum is σ = 73495296. Its totient is φ = 13123920.

The previous prime is 33685031. The next prime is 33685061. The reversal of 33685036 is 63058633.

33685036 = 261² + 262² + ... + 491².

It is a happy number.

It is a super-2 number, since 2×33685036² = 2269363300642592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33684992 and 33685010.

It is not an unprimeable number, because it can be changed into a prime (33685031) 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, 54376 + ... + 54991.

It is an arithmetic number, because the mean of its divisors is an integer number (3062304).

Almost surely, 2^33685036 is an apocalyptic number.

It is an amenable number.

33685036 is an abundant number, since it is smaller than the sum of its proper divisors (39810260).

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

33685036 is a wasteful number, since it uses less digits than its factorization.

33685036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109389 (or 109387 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 33685036 is about 5803.8811152538. The cubic root of 33685036 is about 322.9577211449.

The spelling of 33685036 in words is "thirty-three million, six hundred eighty-five thousand, thirty-six".