389607799 has 4 divisors (see below), whose sum is σ = 445266064. Its totient is φ = 333949536.

The previous prime is 389607797. The next prime is 389607839. The reversal of 389607799 is 997706983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 389607799 - 2¹ = 389607797 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 (389607791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27829122 + ... + 27829135.

It is an arithmetic number, because the mean of its divisors is an integer number (111316516).

Almost surely, 2^389607799 is an apocalyptic number.

389607799 is a deficient number, since it is larger than the sum of its proper divisors (55658265).

389607799 is an equidigital number, since it uses as much as digits as its factorization.

389607799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55658264.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 389607799 is about 19738.4852255689. The cubic root of 389607799 is about 730.3693627138.

The spelling of 389607799 in words is "three hundred eighty-nine million, six hundred seven thousand, seven hundred ninety-nine".