389743401 has 4 divisors (see below), whose sum is σ = 519657872. Its totient is φ = 259828932.

The previous prime is 389743399. The next prime is 389743429. The reversal of 389743401 is 104347983.

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 not a de Polignac number, because 389743401 - 2¹ = 389743399 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 389743401.

It is not an unprimeable number, because it can be changed into a prime (389743001) 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, 64957231 + ... + 64957236.

It is an arithmetic number, because the mean of its divisors is an integer number (129914468).

Almost surely, 2^389743401 is an apocalyptic number.

It is an amenable number.

389743401 is a deficient number, since it is larger than the sum of its proper divisors (129914471).

389743401 is a wasteful number, since it uses less digits than its factorization.

389743401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129914470.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 389743401 is about 19741.9198914391. The cubic root of 389743401 is about 730.4540872826.

The spelling of 389743401 in words is "three hundred eighty-nine million, seven hundred forty-three thousand, four hundred one".