38704789 has 4 divisors (see below), whose sum is σ = 39066624. Its totient is φ = 38342956.

The previous prime is 38704781. The next prime is 38704793. The reversal of 38704789 is 98740783.

38704789 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 not a de Polignac number, because 38704789 - 2³ = 38704781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38704781) 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, 180757 + ... + 180970.

It is an arithmetic number, because the mean of its divisors is an integer number (9766656).

Almost surely, 2^38704789 is an apocalyptic number.

It is an amenable number.

38704789 is a deficient number, since it is larger than the sum of its proper divisors (361835).

38704789 is a wasteful number, since it uses less digits than its factorization.

38704789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361834.

The product of its (nonzero) digits is 338688, while the sum is 46.

The square root of 38704789 is about 6221.3173042371. The cubic root of 38704789 is about 338.2633155817.

It can be divided in two parts, 38704 and 789, that added together give a palindrome (39493).

The spelling of 38704789 in words is "thirty-eight million, seven hundred four thousand, seven hundred eighty-nine".