389353984 has 20 divisors (see below), whose sum is σ = 777948534. Its totient is φ = 194676736.

The previous prime is 389353963. The next prime is 389354011. The reversal of 389353984 is 489353983.

It can be written as a sum of positive squares in only one way, i.e., 389193984 + 160000 = 19728^2 + 400^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 379717 + ... + 380740.

Almost surely, 2^389353984 is an apocalyptic number.

It is an amenable number.

389353984 is a deficient number, since it is larger than the sum of its proper divisors (388594550).

389353984 is an frugal number, since it uses more digits than its factorization.

389353984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760475 (or 760459 counting only the distinct ones).

The product of its digits is 2799360, while the sum is 52.

The square root of 389353984 is about 19732.0547333520. The cubic root of 389353984 is about 730.2107254289.

Subtracting 389353984 from its reverse (489353983), we obtain a palindrome (99999999).

The spelling of 389353984 in words is "three hundred eighty-nine million, three hundred fifty-three thousand, nine hundred eighty-four".