389934541 has 4 divisors (see below), whose sum is σ = 391782784. Its totient is φ = 388086300.

The previous prime is 389934521. The next prime is 389934547. The reversal of 389934541 is 145439983.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 145439983 = 13 ⋅11187691.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389934541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 389934491 and 389934500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389934547) 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, 923805 + ... + 924226.

It is an arithmetic number, because the mean of its divisors is an integer number (97945696).

Almost surely, 2^389934541 is an apocalyptic number.

It is an amenable number.

389934541 is a deficient number, since it is larger than the sum of its proper divisors (1848243).

389934541 is a wasteful number, since it uses less digits than its factorization.

389934541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848242.

The product of its digits is 466560, while the sum is 46.

The square root of 389934541 is about 19746.7602659272. The cubic root of 389934541 is about 730.5734788070.

It can be divided in two parts, 38993 and 4541, that added together give a palindrome (43534).

The spelling of 389934541 in words is "three hundred eighty-nine million, nine hundred thirty-four thousand, five hundred forty-one".