38128697 has 2 divisors, whose sum is σ = 38128698. Its totient is φ = 38128696.

The previous prime is 38128679. The next prime is 38128709. The reversal of 38128697 is 79682183.

Together with previous prime (38128679) 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., 20647936 + 17480761 = 4544^2 + 4181^2 .

It is a cyclic number.

It is not a de Polignac number, because 38128697 - 2¹⁰ = 38127673 is a prime.

It is not a weakly prime, because it can be changed into another prime (38128627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19064348 + 19064349.

It is an arithmetic number, because the mean of its divisors is an integer number (19064349).

Almost surely, 2^38128697 is an apocalyptic number.

It is an amenable number.

38128697 is a deficient number, since it is larger than the sum of its proper divisors (1).

38128697 is an equidigital number, since it uses as much as digits as its factorization.

38128697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 38128697 is about 6174.8438846662. The cubic root of 38128697 is about 336.5766534945.

The spelling of 38128697 in words is "thirty-eight million, one hundred twenty-eight thousand, six hundred ninety-seven".