1384872818 has 16 divisors (see below), whose sum is σ = 2379206400. Its totient is φ = 592232256.

The previous prime is 1384872809. The next prime is 1384872823. The reversal of 1384872818 is 8182784831.

It is a super-2 number, since 2×1384872818² = 3835745444070522248, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100343 + ... + 113306.

It is an arithmetic number, because the mean of its divisors is an integer number (148700400).

Almost surely, 2^1384872818 is an apocalyptic number.

1384872818 is a deficient number, since it is larger than the sum of its proper divisors (994333582).

1384872818 is a wasteful number, since it uses less digits than its factorization.

1384872818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214121.

The product of its digits is 688128, while the sum is 50.

The square root of 1384872818 is about 37213.8793731586. The cubic root of 1384872818 is about 1114.6451492008.

The spelling of 1384872818 in words is "one billion, three hundred eighty-four million, eight hundred seventy-two thousand, eight hundred eighteen".