38879705 has 8 divisors (see below), whose sum is σ = 46914504. Its totient is φ = 30931200.

The previous prime is 38879699. The next prime is 38879741. The reversal of 38879705 is 50797883.

It can be written as a sum of positive squares in 4 ways, for example, as 2253001 + 36626704 = 1501^2 + 6052^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38879705 - 2⁴ = 38879689 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38879705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20576 + ... + 22385.

It is an arithmetic number, because the mean of its divisors is an integer number (5864313).

Almost surely, 2^38879705 is an apocalyptic number.

It is an amenable number.

38879705 is a deficient number, since it is larger than the sum of its proper divisors (8034799).

38879705 is a wasteful number, since it uses less digits than its factorization.

38879705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43147.

The product of its (nonzero) digits is 423360, while the sum is 47.

The square root of 38879705 is about 6235.3592518796. The cubic root of 38879705 is about 338.7721135875.

The spelling of 38879705 in words is "thirty-eight million, eight hundred seventy-nine thousand, seven hundred five".