389372541 has 4 divisors (see below), whose sum is σ = 519163392. Its totient is φ = 259581692.

The previous prime is 389372537. The next prime is 389372551. The reversal of 389372541 is 145273983.

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 389372541 - 2² = 389372537 is a prime.

It is a super-2 number, since 2×389372541² = 303221951369593362, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 389372493 and 389372502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389372551) 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, 64895421 + ... + 64895426.

It is an arithmetic number, because the mean of its divisors is an integer number (129790848).

Almost surely, 2^389372541 is an apocalyptic number.

It is an amenable number.

389372541 is a deficient number, since it is larger than the sum of its proper divisors (129790851).

389372541 is a wasteful number, since it uses less digits than its factorization.

389372541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129790850.

The product of its digits is 181440, while the sum is 42.

The square root of 389372541 is about 19732.5249524738. The cubic root of 389372541 is about 730.2223261023. Note that the first 3 decimals are identical.

The spelling of 389372541 in words is "three hundred eighty-nine million, three hundred seventy-two thousand, five hundred forty-one".