38290117 has 2 divisors, whose sum is σ = 38290118. Its totient is φ = 38290116.

The previous prime is 38290099. The next prime is 38290139. The reversal of 38290117 is 71109283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20304036 + 17986081 = 4506^2 + 4241^2 .

It is a cyclic number.

It is not a de Polignac number, because 38290117 - 2¹⁹ = 37765829 is a prime.

It is a super-2 number, since 2×38290117² = 2932266119747378, which contains 22 as substring.

It is a zygodrome in base 3.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38290517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19145058 + 19145059.

It is an arithmetic number, because the mean of its divisors is an integer number (19145059).

Almost surely, 2^38290117 is an apocalyptic number.

It is an amenable number.

38290117 is a deficient number, since it is larger than the sum of its proper divisors (1).

38290117 is an equidigital number, since it uses as much as digits as its factorization.

38290117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The square root of 38290117 is about 6187.9008557022. The cubic root of 38290117 is about 337.0509569064.

The spelling of 38290117 in words is "thirty-eight million, two hundred ninety thousand, one hundred seventeen".