38860639 has 8 divisors (see below), whose sum is σ = 41859072. Its totient is φ = 35971320.

The previous prime is 38860631. The next prime is 38860663. The reversal of 38860639 is 93606883.

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

It is a cyclic number.

It is not a de Polignac number, because 38860639 - 2³ = 38860631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38860595 and 38860604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38860631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26539 + ... + 27964.

It is an arithmetic number, because the mean of its divisors is an integer number (5232384).

Almost surely, 2^38860639 is an apocalyptic number.

38860639 is a deficient number, since it is larger than the sum of its proper divisors (2998433).

38860639 is a wasteful number, since it uses less digits than its factorization.

38860639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54557.

The product of its (nonzero) digits is 186624, while the sum is 43.

The square root of 38860639 is about 6233.8302030132. The cubic root of 38860639 is about 338.7167283490.

The spelling of 38860639 in words is "thirty-eight million, eight hundred sixty thousand, six hundred thirty-nine".