1384865764 has 24 divisors (see below), whose sum is σ = 2567466720. Its totient is φ = 651348096.

The previous prime is 1384865761. The next prime is 1384865791. The reversal of 1384865764 is 4675684831.

It is not an unprimeable number, because it can be changed into a prime (1384865761) by changing a digit.

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, 154699 + ... + 163405.

It is an arithmetic number, because the mean of its divisors is an integer number (106977780).

Almost surely, 2^1384865764 is an apocalyptic number.

It is an amenable number.

1384865764 is a deficient number, since it is larger than the sum of its proper divisors (1182600956).

1384865764 is a wasteful number, since it uses less digits than its factorization.

1384865764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11067 (or 11065 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 52.

The square root of 1384865764 is about 37213.7845965712. The cubic root of 1384865764 is about 1114.6432566755.

The spelling of 1384865764 in words is "one billion, three hundred eighty-four million, eight hundred sixty-five thousand, seven hundred sixty-four".