33990368 has 24 divisors (see below), whose sum is σ = 67073832. Its totient is φ = 16955776.

The previous prime is 33990367. The next prime is 33990377. The reversal of 33990368 is 86309933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33990367) 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, 16871 + ... + 18777.

It is an arithmetic number, because the mean of its divisors is an integer number (2794743).

Almost surely, 2^33990368 is an apocalyptic number.

It is an amenable number.

33990368 is a deficient number, since it is larger than the sum of its proper divisors (33083464).

33990368 is a wasteful number, since it uses less digits than its factorization.

33990368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2474 (or 2466 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 33990368 is about 5830.1258991552. The cubic root of 33990368 is about 323.9305851395.

The spelling of 33990368 in words is "thirty-three million, nine hundred ninety thousand, three hundred sixty-eight".