33268391 has 8 divisors (see below), whose sum is σ = 35891520. Its totient is φ = 30654432.

The previous prime is 33268379. The next prime is 33268397. The reversal of 33268391 is 19386233.

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

It is not a de Polignac number, because 33268391 - 2¹⁴ = 33252007 is a prime.

It is a super-2 number, since 2×33268391² = 2213571679457762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33268397) 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, 6530 + ... + 10448.

It is an arithmetic number, because the mean of its divisors is an integer number (4486440).

Almost surely, 2^33268391 is an apocalyptic number.

33268391 is a deficient number, since it is larger than the sum of its proper divisors (2623129).

33268391 is a wasteful number, since it uses less digits than its factorization.

33268391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585.

The product of its digits is 23328, while the sum is 35.

The square root of 33268391 is about 5767.8757788288. The cubic root of 33268391 is about 321.6206552114.

The spelling of 33268391 in words is "thirty-three million, two hundred sixty-eight thousand, three hundred ninety-one".