1384591144 has 16 divisors (see below), whose sum is σ = 2596528800. Its totient is φ = 692183472.

The previous prime is 1384591079. The next prime is 1384591177. The reversal of 1384591144 is 4411954831.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1384591097 and 1384591106.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64077 + ... + 82915.

It is an arithmetic number, because the mean of its divisors is an integer number (162283050).

Almost surely, 2^1384591144 is an apocalyptic number.

It is an amenable number.

1384591144 is a deficient number, since it is larger than the sum of its proper divisors (1211937656).

1384591144 is a wasteful number, since it uses less digits than its factorization.

1384591144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28032 (or 28028 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 1384591144 is about 37210.0946518549. The cubic root of 1384591144 is about 1114.5695735854.

The spelling of 1384591144 in words is "one billion, three hundred eighty-four million, five hundred ninety-one thousand, one hundred forty-four".