389544419 has 8 divisors (see below), whose sum is σ = 438666240. Its totient is φ = 342707400.

The previous prime is 389544391. The next prime is 389544431. The reversal of 389544419 is 914445983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 389544419 - 2⁸ = 389544163 is a prime.

It is a super-2 number, since 2×389544419² = 303489708748095122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389540419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570839 + ... + 571520.

It is an arithmetic number, because the mean of its divisors is an integer number (54833280).

Almost surely, 2^389544419 is an apocalyptic number.

389544419 is a deficient number, since it is larger than the sum of its proper divisors (49121821).

389544419 is a wasteful number, since it uses less digits than its factorization.

389544419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142401.

The product of its digits is 622080, while the sum is 47.

The square root of 389544419 is about 19736.8796672625. The cubic root of 389544419 is about 730.3297559428.

The spelling of 389544419 in words is "three hundred eighty-nine million, five hundred forty-four thousand, four hundred nineteen".