33928693 has 2 divisors, whose sum is σ = 33928694. Its totient is φ = 33928692.

The previous prime is 33928681. The next prime is 33928709. The reversal of 33928693 is 39682933.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33837489 + 91204 = 5817^2 + 302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33928693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33928603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16964346 + 16964347.

It is an arithmetic number, because the mean of its divisors is an integer number (16964347).

Almost surely, 2^33928693 is an apocalyptic number.

It is an amenable number.

33928693 is a deficient number, since it is larger than the sum of its proper divisors (1).

33928693 is an equidigital number, since it uses as much as digits as its factorization.

33928693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 43.

The square root of 33928693 is about 5824.8341607294. The cubic root of 33928693 is about 323.7345441656.

The spelling of 33928693 in words is "thirty-three million, nine hundred twenty-eight thousand, six hundred ninety-three".