1384336642 has 16 divisors (see below), whose sum is σ = 2236849272. Its totient is φ = 638749440.

The previous prime is 1384336633. The next prime is 1384336717. The reversal of 1384336642 is 2466334831.

It can be written as a sum of positive squares in 4 ways, for example, as 921183201 + 463153441 = 30351^2 + 21521^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1384336595 and 1384336604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181408 + ... + 188884.

Almost surely, 2^1384336642 is an apocalyptic number.

1384336642 is a deficient number, since it is larger than the sum of its proper divisors (852512630).

1384336642 is a wasteful number, since it uses less digits than its factorization.

1384336642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14613.

The product of its digits is 248832, while the sum is 40.

The square root of 1384336642 is about 37206.6746968874. The cubic root of 1384336642 is about 1114.5012796421.

The spelling of 1384336642 in words is "one billion, three hundred eighty-four million, three hundred thirty-six thousand, six hundred forty-two".