38645079 has 16 divisors (see below), whose sum is σ = 56576640. Its totient is φ = 23268960.

The previous prime is 38645071. The next prime is 38645093. The reversal of 38645079 is 97054683.

It is a happy number.

It is not a de Polignac number, because 38645079 - 2³ = 38645071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38645079.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38645071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1452 + ... + 8910.

It is an arithmetic number, because the mean of its divisors is an integer number (3536040).

Almost surely, 2^38645079 is an apocalyptic number.

38645079 is a deficient number, since it is larger than the sum of its proper divisors (17931561).

38645079 is a wasteful number, since it uses less digits than its factorization.

38645079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 38645079 is about 6216.5166291099. The cubic root of 38645079 is about 338.0892794279.

The spelling of 38645079 in words is "thirty-eight million, six hundred forty-five thousand, seventy-nine".