389113541 has 4 divisors (see below), whose sum is σ = 392683500. Its totient is φ = 385543584.

The previous prime is 389113537. The next prime is 389113547. The reversal of 389113541 is 145311983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 145311983 = 11423 ⋅12721.

It can be written as a sum of positive squares in 2 ways, for example, as 226653025 + 162460516 = 15055^2 + 12746^2 .

It is a cyclic number.

It is not a de Polignac number, because 389113541 - 2² = 389113537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389113547) 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, 1784816 + ... + 1785033.

It is an arithmetic number, because the mean of its divisors is an integer number (98170875).

Almost surely, 2^389113541 is an apocalyptic number.

It is an amenable number.

389113541 is a deficient number, since it is larger than the sum of its proper divisors (3569959).

389113541 is a wasteful number, since it uses less digits than its factorization.

389113541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569958.

The product of its digits is 12960, while the sum is 35.

The square root of 389113541 is about 19725.9610919215. The cubic root of 389113541 is about 730.0603821949.

The spelling of 389113541 in words is "three hundred eighty-nine million, one hundred thirteen thousand, five hundred forty-one".