38850643 has 16 divisors (see below), whose sum is σ = 43092000. Its totient is φ = 34804224.

The previous prime is 38850613. The next prime is 38850659. The reversal of 38850643 is 34605883.

It is not a de Polignac number, because 38850643 - 2⁹ = 38850131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38850613) 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, 77608 + ... + 78106.

It is an arithmetic number, because the mean of its divisors is an integer number (2693250).

Almost surely, 2^38850643 is an apocalyptic number.

38850643 is a deficient number, since it is larger than the sum of its proper divisors (4241357).

38850643 is a wasteful number, since it uses less digits than its factorization.

38850643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 38850643 is about 6233.0283971758. The cubic root of 38850643 is about 338.6876835121.

It can be divided in two parts, 38850 and 643, that added together give a palindrome (39493).

The spelling of 38850643 in words is "thirty-eight million, eight hundred fifty thousand, six hundred forty-three".