389952789444 has 81 divisors (see below), whose sum is σ = 992590094223. Its totient is φ = 129083788944.

The previous prime is 389952789397. The next prime is 389952789503. The reversal of 389952789444 is 444987259983.

The square root of 389952789444 is 624462.

It is a perfect power (a square), and thus also a powerful number.

389952789444 is a `hidden beast` number, since 3 + 8 + 9 + 9 + 527 + 8 + 94 + 4 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 745607367 + ... + 745607889.

Almost surely, 2^389952789444 is an apocalyptic number.

389952789444 is the 624462-nd square number.

It is an amenable number.

389952789444 is an abundant number, since it is smaller than the sum of its proper divisors (602637304779).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389952789444 is an equidigital number, since it uses as much as digits as its factorization.

389952789444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454 (or 727 counting only the distinct ones).

The product of its digits is 627056640, while the sum is 72.

It can be divided in two parts, 389952 and 789444, that added together give a square (1179396 = 1086²).

The spelling of 389952789444 in words is "three hundred eighty-nine billion, nine hundred fifty-two million, seven hundred eighty-nine thousand, four hundred forty-four".