389156444 has 6 divisors (see below), whose sum is σ = 681023784. Its totient is φ = 194578220.

The previous prime is 389156431. The next prime is 389156473. The reversal of 389156444 is 444651983.

It is a junction number, because it is equal to n+sod(n) for n = 389156395 and 389156404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48644552 + ... + 48644559.

It is an arithmetic number, because the mean of its divisors is an integer number (113503964).

Almost surely, 2^389156444 is an apocalyptic number.

It is an amenable number.

389156444 is a deficient number, since it is larger than the sum of its proper divisors (291867340).

389156444 is a wasteful number, since it uses less digits than its factorization.

389156444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97289115 (or 97289113 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 389156444 is about 19727.0485374777. The cubic root of 389156444 is about 730.0872129493.

The spelling of 389156444 in words is "three hundred eighty-nine million, one hundred fifty-six thousand, four hundred forty-four".