33989793 has 8 divisors (see below), whose sum is σ = 45346656. Its totient is φ = 22646400.

The previous prime is 33989719. The next prime is 33989819. The reversal of 33989793 is 39798933.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33989793 - 2¹⁰ = 33988769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33989093) 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, 8398 + ... + 11768.

It is an arithmetic number, because the mean of its divisors is an integer number (5668332).

Almost surely, 2^33989793 is an apocalyptic number.

It is an amenable number.

33989793 is a deficient number, since it is larger than the sum of its proper divisors (11356863).

33989793 is a wasteful number, since it uses less digits than its factorization.

33989793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6735.

The product of its digits is 1102248, while the sum is 51.

The square root of 33989793 is about 5830.0765861179. The cubic root of 33989793 is about 323.9287585325.

The spelling of 33989793 in words is "thirty-three million, nine hundred eighty-nine thousand, seven hundred ninety-three".