38876789 has 4 divisors (see below), whose sum is σ = 44430624. Its totient is φ = 33322956.

The previous prime is 38876779. The next prime is 38876797. The reversal of 38876789 is 98767883.

38876789 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-38876789 is a prime.

It is a super-2 number, since 2×38876789² = 3022809445901042, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38876729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2776907 + ... + 2776920.

It is an arithmetic number, because the mean of its divisors is an integer number (11107656).

Almost surely, 2^38876789 is an apocalyptic number.

It is an amenable number.

38876789 is a deficient number, since it is larger than the sum of its proper divisors (5553835).

38876789 is an equidigital number, since it uses as much as digits as its factorization.

38876789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553834.

The product of its digits is 4064256, while the sum is 56.

The square root of 38876789 is about 6235.1254197490. The cubic root of 38876789 is about 338.7636440087.

It can be divided in two parts, 388 and 76789, that added together give a palindrome (77177).

The spelling of 38876789 in words is "thirty-eight million, eight hundred seventy-six thousand, seven hundred eighty-nine".