33389243 has 8 divisors (see below), whose sum is σ = 34059312. Its totient is φ = 32726016.

The previous prime is 33389233. The next prime is 33389267. The reversal of 33389243 is 34298333.

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

It is a cyclic number.

It is not a de Polignac number, because 33389243 - 2¹⁶ = 33323707 is a prime.

It is a super-2 number, since 2×33389243² = 2229683096226098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33389233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8771 + ... + 11987.

It is an arithmetic number, because the mean of its divisors is an integer number (4257414).

Almost surely, 2^33389243 is an apocalyptic number.

33389243 is a deficient number, since it is larger than the sum of its proper divisors (670069).

33389243 is a wasteful number, since it uses less digits than its factorization.

33389243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3421.

The product of its digits is 46656, while the sum is 35.

The square root of 33389243 is about 5778.3425824366. The cubic root of 33389243 is about 322.0096283272.

The spelling of 33389243 in words is "thirty-three million, three hundred eighty-nine thousand, two hundred forty-three".