38988539 has 2 divisors, whose sum is σ = 38988540. Its totient is φ = 38988538.

The previous prime is 38988533. The next prime is 38988559. The reversal of 38988539 is 93588983.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (93588983) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38988539 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (38988533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19494269 + 19494270.

It is an arithmetic number, because the mean of its divisors is an integer number (19494270).

Almost surely, 2^38988539 is an apocalyptic number.

38988539 is a deficient number, since it is larger than the sum of its proper divisors (1).

38988539 is an equidigital number, since it uses as much as digits as its factorization.

38988539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1866240, while the sum is 53.

The square root of 38988539 is about 6244.0803165879. The cubic root of 38988539 is about 339.0879216670.

The spelling of 38988539 in words is "thirty-eight million, nine hundred eighty-eight thousand, five hundred thirty-nine".