38860638 has 16 divisors (see below), whose sum is σ = 80401680. Its totient is φ = 12506816.

The previous prime is 38860631. The next prime is 38860663. The reversal of 38860638 is 83606883.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 38860638.

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, 111495 + ... + 111842.

It is an arithmetic number, because the mean of its divisors is an integer number (5025105).

Almost surely, 2^38860638 is an apocalyptic number.

38860638 is an abundant number, since it is smaller than the sum of its proper divisors (41541042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38860638 is a wasteful number, since it uses less digits than its factorization.

38860638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223371.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 38860638 is about 6233.8301228057. The cubic root of 38860638 is about 338.7167254436.

The spelling of 38860638 in words is "thirty-eight million, eight hundred sixty thousand, six hundred thirty-eight".