338661733 has 2 divisors, whose sum is σ = 338661734. Its totient is φ = 338661732.

The previous prime is 338661727. The next prime is 338661749. The reversal of 338661733 is 337166833.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 329132164 + 9529569 = 18142^2 + 3087^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-338661733 is a prime.

It is a super-2 number, since 2×338661733² = 229383538797126578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338661133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169330866 + 169330867.

It is an arithmetic number, because the mean of its divisors is an integer number (169330867).

Almost surely, 2^338661733 is an apocalyptic number.

It is an amenable number.

338661733 is a deficient number, since it is larger than the sum of its proper divisors (1).

338661733 is an equidigital number, since it uses as much as digits as its factorization.

338661733 is an evil number, because the sum of its binary digits is even.

The product of its digits is 163296, while the sum is 40.

The square root of 338661733 is about 18402.7642760537. The cubic root of 338661733 is about 697.0362675109.

The spelling of 338661733 in words is "three hundred thirty-eight million, six hundred sixty-one thousand, seven hundred thirty-three".