38489279 has 2 divisors, whose sum is σ = 38489280. Its totient is φ = 38489278.

The previous prime is 38489273. The next prime is 38489329. The reversal of 38489279 is 97298483.

It is a happy number.

It is an a-pointer prime, because the next prime (38489329) can be obtained adding 38489279 to its sum of digits (50).

It is a weak prime.

It is an emirp because it is prime and its reverse (97298483) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 38489279 - 2⁸ = 38489023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38489273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19244639 + 19244640.

It is an arithmetic number, because the mean of its divisors is an integer number (19244640).

Almost surely, 2^38489279 is an apocalyptic number.

38489279 is a deficient number, since it is larger than the sum of its proper divisors (1).

38489279 is an equidigital number, since it uses as much as digits as its factorization.

38489279 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 50.

The square root of 38489279 is about 6203.9728400437. The cubic root of 38489279 is about 337.6343249495.

The spelling of 38489279 in words is "thirty-eight million, four hundred eighty-nine thousand, two hundred seventy-nine".