33338489 has 2 divisors, whose sum is σ = 33338490. Its totient is φ = 33338488.

The previous prime is 33338471. The next prime is 33338497. The reversal of 33338489 is 98483333.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19891600 + 13446889 = 4460^2 + 3667^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33338489 is a prime.

It is a super-2 number, since 2×33338489² = 2222909697606242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (33338089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16669244 + 16669245.

It is an arithmetic number, because the mean of its divisors is an integer number (16669245).

Almost surely, 2^33338489 is an apocalyptic number.

It is an amenable number.

33338489 is a deficient number, since it is larger than the sum of its proper divisors (1).

33338489 is an equidigital number, since it uses as much as digits as its factorization.

33338489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The square root of 33338489 is about 5773.9491684635. The cubic root of 33338489 is about 321.8463864846.

The spelling of 33338489 in words is "thirty-three million, three hundred thirty-eight thousand, four hundred eighty-nine".