389798684622400 has 63 divisors (see below), whose sum is σ = 959150331589201. Its totient is φ = 155919157955840.

The previous prime is 389798684622397. The next prime is 389798684622407. The reversal of 389798684622400 is 4226486897983.

The square root of 389798684622400 is 19743320.

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

It can be written as a sum of positive squares in only one way, i.e., 140327526464064 + 249471158158336 = 11845992^2 + 15794656^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389798684622407) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 789486009 + ... + 789979591.

Almost surely, 2^{389798684622400} is an apocalyptic number.

389798684622400 is the 19743320-th square number.

It is an amenable number.

389798684622400 is an abundant number, since it is smaller than the sum of its proper divisors (569351646966801).

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

389798684622400 is an frugal number, since it uses more digits than its factorization.

389798684622400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987188 (or 493590 counting only the distinct ones).

The product of its (nonzero) digits is 2006581248, while the sum is 76.

The spelling of 389798684622400 in words is "three hundred eighty-nine trillion, seven hundred ninety-eight billion, six hundred eighty-four million, six hundred twenty-two thousand, four hundred".