33434389 has 2 divisors, whose sum is σ = 33434390. Its totient is φ = 33434388.

The previous prime is 33434381. The next prime is 33434411. The reversal of 33434389 is 98343433.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32547025 + 887364 = 5705^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 33434389 - 2³ = 33434381 is a prime.

It is a super-2 number, since 2×33434389² = 2235716735606642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (33434381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16717194 + 16717195.

It is an arithmetic number, because the mean of its divisors is an integer number (16717195).

Almost surely, 2^33434389 is an apocalyptic number.

It is an amenable number.

33434389 is a deficient number, since it is larger than the sum of its proper divisors (1).

33434389 is an equidigital number, since it uses as much as digits as its factorization.

33434389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 37.

The square root of 33434389 is about 5782.2477463353. The cubic root of 33434389 is about 322.1546940052.

The spelling of 33434389 in words is "thirty-three million, four hundred thirty-four thousand, three hundred eighty-nine".