39488893 has 2 divisors, whose sum is σ = 39488894. Its totient is φ = 39488892.

The previous prime is 39488881. The next prime is 39488941. The reversal of 39488893 is 39888493.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21187609 + 18301284 = 4603^2 + 4278^2 .

It is an emirp because it is prime and its reverse (39888493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 39488893 - 2⁹ = 39488381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39488893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39488803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19744446 + 19744447.

It is an arithmetic number, because the mean of its divisors is an integer number (19744447).

Almost surely, 2^39488893 is an apocalyptic number.

It is an amenable number.

39488893 is a deficient number, since it is larger than the sum of its proper divisors (1).

39488893 is an equidigital number, since it uses as much as digits as its factorization.

39488893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1492992, while the sum is 52.

The square root of 39488893 is about 6284.0188573874. The cubic root of 39488893 is about 340.5323063211.

The spelling of 39488893 in words is "thirty-nine million, four hundred eighty-eight thousand, eight hundred ninety-three".