33969340 has 24 divisors (see below), whose sum is σ = 75090960. Its totient is φ = 12872448.

The previous prime is 33969329. The next prime is 33969379. The reversal of 33969340 is 4396933.

It is a self number, because there is not a number n which added to its sum of digits gives 33969340.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44317 + ... + 45076.

It is an arithmetic number, because the mean of its divisors is an integer number (3128790).

Almost surely, 2^33969340 is an apocalyptic number.

It is an amenable number.

33969340 is an abundant number, since it is smaller than the sum of its proper divisors (41121620).

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

33969340 is a wasteful number, since it uses less digits than its factorization.

33969340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89421 (or 89419 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 33969340 is about 5828.3222285663. The cubic root of 33969340 is about 323.8637719227.

The spelling of 33969340 in words is "thirty-three million, nine hundred sixty-nine thousand, three hundred forty".