33998441 has 2 divisors, whose sum is σ = 33998442. Its totient is φ = 33998440.

The previous prime is 33998417. The next prime is 33998443. The reversal of 33998441 is 14489933.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20894041 + 13104400 = 4571^2 + 3620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33998441 is a prime.

Together with 33998443, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (33998443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16999220 + 16999221.

It is an arithmetic number, because the mean of its divisors is an integer number (16999221).

Almost surely, 2^33998441 is an apocalyptic number.

It is an amenable number.

33998441 is a deficient number, since it is larger than the sum of its proper divisors (1).

33998441 is an equidigital number, since it uses as much as digits as its factorization.

33998441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 41.

The square root of 33998441 is about 5830.8182101657. The cubic root of 33998441 is about 323.9562285278.

The spelling of 33998441 in words is "thirty-three million, nine hundred ninety-eight thousand, four hundred forty-one".