38850391 has 8 divisors (see below), whose sum is σ = 39513600. Its totient is φ = 38191992.

The previous prime is 38850373. The next prime is 38850397. The reversal of 38850391 is 19305883.

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 38850391 - 2¹¹ = 38848343 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 38850391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38850397) 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, 17460 + ... + 19558.

It is an arithmetic number, because the mean of its divisors is an integer number (4939200).

Almost surely, 2^38850391 is an apocalyptic number.

38850391 is a deficient number, since it is larger than the sum of its proper divisors (663209).

38850391 is a wasteful number, since it uses less digits than its factorization.

38850391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 38850391 is about 6233.0081822504. The cubic root of 38850391 is about 338.6869512249.

The spelling of 38850391 in words is "thirty-eight million, eight hundred fifty thousand, three hundred ninety-one".