389323444 has 6 divisors (see below), whose sum is σ = 681316034. Its totient is φ = 194661720.

The previous prime is 389323439. The next prime is 389323481. The reversal of 389323444 is 444323983.

It can be written as a sum of positive squares in only one way, i.e., 295427344 + 93896100 = 17188^2 + 9690^2 .

It is a super-2 number, since 2×389323444² = 303145488096042272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389323397 and 389323406.

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, 48665427 + ... + 48665434.

Almost surely, 2^389323444 is an apocalyptic number.

It is an amenable number.

389323444 is a deficient number, since it is larger than the sum of its proper divisors (291992590).

389323444 is a wasteful number, since it uses less digits than its factorization.

389323444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97330865 (or 97330863 counting only the distinct ones).

The product of its digits is 248832, while the sum is 40.

The square root of 389323444 is about 19731.2808504669. The cubic root of 389323444 is about 730.1916329325.

The spelling of 389323444 in words is "three hundred eighty-nine million, three hundred twenty-three thousand, four hundred forty-four".