1384666898 has 16 divisors (see below), whose sum is σ = 2201789304. Its totient is φ = 650833920.

The previous prime is 1384666889. The next prime is 1384666901. The reversal of 1384666898 is 8986664831.

It can be written as a sum of positive squares in 4 ways, for example, as 1308051889 + 76615009 = 36167^2 + 8753^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5378 + ... + 52898.

Almost surely, 2^1384666898 is an apocalyptic number.

1384666898 is a deficient number, since it is larger than the sum of its proper divisors (817122406).

1384666898 is a wasteful number, since it uses less digits than its factorization.

1384666898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48397.

The product of its digits is 11943936, while the sum is 59.

The square root of 1384666898 is about 37211.1125606317. The cubic root of 1384666898 is about 1114.5899000584.

The spelling of 1384666898 in words is "one billion, three hundred eighty-four million, six hundred sixty-six thousand, eight hundred ninety-eight".