38995321 has 2 divisors, whose sum is σ = 38995322. Its totient is φ = 38995320.

The previous prime is 38995291. The next prime is 38995339. The reversal of 38995321 is 12359983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30958096 + 8037225 = 5564^2 + 2835^2 .

It is a cyclic number.

It is not a de Polignac number, because 38995321 - 2¹³ = 38987129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38995361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19497660 + 19497661.

It is an arithmetic number, because the mean of its divisors is an integer number (19497661).

Almost surely, 2^38995321 is an apocalyptic number.

It is an amenable number.

38995321 is a deficient number, since it is larger than the sum of its proper divisors (1).

38995321 is an equidigital number, since it uses as much as digits as its factorization.

38995321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 38995321 is about 6244.6233673457. The cubic root of 38995321 is about 339.1075818117.

The spelling of 38995321 in words is "thirty-eight million, nine hundred ninety-five thousand, three hundred twenty-one".