389768241 has 4 divisors (see below), whose sum is σ = 519690992. Its totient is φ = 259845492.

The previous prime is 389768237. The next prime is 389768251. The reversal of 389768241 is 142867983.

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 389768241 - 2² = 389768237 is a prime.

It is a super-3 number, since 3×389768241³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389768221) 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, 64961371 + ... + 64961376.

It is an arithmetic number, because the mean of its divisors is an integer number (129922748).

Almost surely, 2^389768241 is an apocalyptic number.

It is an amenable number.

389768241 is a deficient number, since it is larger than the sum of its proper divisors (129922751).

389768241 is a wasteful number, since it uses less digits than its factorization.

389768241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129922750.

The product of its digits is 580608, while the sum is 48.

The square root of 389768241 is about 19742.5489995593. The cubic root of 389768241 is about 730.4696052653.

The spelling of 389768241 in words is "three hundred eighty-nine million, seven hundred sixty-eight thousand, two hundred forty-one".