38590397 has 2 divisors, whose sum is σ = 38590398. Its totient is φ = 38590396.

The previous prime is 38590379. The next prime is 38590399. The reversal of 38590397 is 79309583.

Together with previous prime (38590379) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22033636 + 16556761 = 4694^2 + 4069^2 .

It is a cyclic number.

It is not a de Polignac number, because 38590397 - 2⁶ = 38590333 is a prime.

Together with 38590399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38590399) 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, 19295198 + 19295199.

It is an arithmetic number, because the mean of its divisors is an integer number (19295199).

Almost surely, 2^38590397 is an apocalyptic number.

It is an amenable number.

38590397 is a deficient number, since it is larger than the sum of its proper divisors (1).

38590397 is an equidigital number, since it uses as much as digits as its factorization.

38590397 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 38590397 is about 6212.1169499616. The cubic root of 38590397 is about 337.9297410073.

The spelling of 38590397 in words is "thirty-eight million, five hundred ninety thousand, three hundred ninety-seven".