389888298 has 12 divisors (see below), whose sum is σ = 844758018. Its totient is φ = 129962760.

The previous prime is 389888297. The next prime is 389888309. The reversal of 389888298 is 892888983.

It can be written as a sum of positive squares in only one way, i.e., 333683289 + 56205009 = 18267^2 + 7497^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (389888293) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10830213 + ... + 10830248.

Almost surely, 2^389888298 is an apocalyptic number.

389888298 is an abundant number, since it is smaller than the sum of its proper divisors (454869720).

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

389888298 is a wasteful number, since it uses less digits than its factorization.

389888298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21660469 (or 21660466 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 63.

The square root of 389888298 is about 19745.5893302783. The cubic root of 389888298 is about 730.5445976817.

The spelling of 389888298 in words is "three hundred eighty-nine million, eight hundred eighty-eight thousand, two hundred ninety-eight".