38158069 has 2 divisors, whose sum is σ = 38158070. Its totient is φ = 38158068.

The previous prime is 38158007. The next prime is 38158079. The reversal of 38158069 is 96085183.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37675044 + 483025 = 6138^2 + 695^2 .

It is a cyclic number.

It is not a de Polignac number, because 38158069 - 2⁷ = 38157941 is a prime.

It is a super-2 number, since 2×38158069² = 2912076459617522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38158079) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19079034 + 19079035.

It is an arithmetic number, because the mean of its divisors is an integer number (19079035).

Almost surely, 2^38158069 is an apocalyptic number.

It is an amenable number.

38158069 is a deficient number, since it is larger than the sum of its proper divisors (1).

38158069 is an equidigital number, since it uses as much as digits as its factorization.

38158069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 38158069 is about 6177.2217865315. The cubic root of 38158069 is about 336.6630572868.

The spelling of 38158069 in words is "thirty-eight million, one hundred fifty-eight thousand, sixty-nine".