38989297 has 2 divisors, whose sum is σ = 38989298. Its totient is φ = 38989296.

The previous prime is 38989283. The next prime is 38989303. The reversal of 38989297 is 79298983.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 18113536 = 4569^2 + 4256^2 .

It is an emirp because it is prime and its reverse (79298983) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38989297 - 2¹⁵ = 38956529 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38989597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19494648 + 19494649.

It is an arithmetic number, because the mean of its divisors is an integer number (19494649).

Almost surely, 2^38989297 is an apocalyptic number.

It is an amenable number.

38989297 is a deficient number, since it is larger than the sum of its proper divisors (1).

38989297 is an equidigital number, since it uses as much as digits as its factorization.

38989297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 55.

The square root of 38989297 is about 6244.1410137824. The cubic root of 38989297 is about 339.0901191246.

The spelling of 38989297 in words is "thirty-eight million, nine hundred eighty-nine thousand, two hundred ninety-seven".