389266841 has 4 divisors (see below), whose sum is σ = 389398800. Its totient is φ = 389134884.

The previous prime is 389266819. The next prime is 389266847. The reversal of 389266841 is 148662983.

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 389266841 - 2⁶ = 389266777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389266847) 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, 61451 + ... + 67488.

It is an arithmetic number, because the mean of its divisors is an integer number (97349700).

Almost surely, 2^389266841 is an apocalyptic number.

It is an amenable number.

389266841 is a deficient number, since it is larger than the sum of its proper divisors (131959).

389266841 is a wasteful number, since it uses less digits than its factorization.

389266841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131958.

The product of its digits is 497664, while the sum is 47.

The square root of 389266841 is about 19729.8464515059. The cubic root of 389266841 is about 730.1562441567.

The spelling of 389266841 in words is "three hundred eighty-nine million, two hundred sixty-six thousand, eight hundred forty-one".