1384393964 has 6 divisors (see below), whose sum is σ = 2422689444. Its totient is φ = 692196980.

The previous prime is 1384393957. The next prime is 1384393993. The reversal of 1384393964 is 4693934831.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173049242 + ... + 173049249.

It is an arithmetic number, because the mean of its divisors is an integer number (403781574).

Almost surely, 2^1384393964 is an apocalyptic number.

It is an amenable number.

1384393964 is a deficient number, since it is larger than the sum of its proper divisors (1038295480).

1384393964 is a wasteful number, since it uses less digits than its factorization.

1384393964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346098495 (or 346098493 counting only the distinct ones).

The product of its digits is 1679616, while the sum is 50.

The square root of 1384393964 is about 37207.4450076863. The cubic root of 1384393964 is about 1114.5166623552.

The spelling of 1384393964 in words is "one billion, three hundred eighty-four million, three hundred ninety-three thousand, nine hundred sixty-four".