38339489 has 2 divisors, whose sum is σ = 38339490. Its totient is φ = 38339488.

The previous prime is 38339461. The next prime is 38339501. The reversal of 38339489 is 98493383.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38254225 + 85264 = 6185^2 + 292^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38339489 is a prime.

It is a super-2 number, since 2×38339489² = 2939832833562242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38339419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19169744 + 19169745.

It is an arithmetic number, because the mean of its divisors is an integer number (19169745).

Almost surely, 2^38339489 is an apocalyptic number.

It is an amenable number.

38339489 is a deficient number, since it is larger than the sum of its proper divisors (1).

38339489 is an equidigital number, since it uses as much as digits as its factorization.

38339489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 47.

The square root of 38339489 is about 6191.8889686428. Note that the first 3 decimals coincide. The cubic root of 38339489 is about 337.1957613095.

The spelling of 38339489 in words is "thirty-eight million, three hundred thirty-nine thousand, four hundred eighty-nine".