1384137808 has 40 divisors (see below), whose sum is σ = 2719270400. Its totient is φ = 682452864.

The previous prime is 1384137761. The next prime is 1384137823. The reversal of 1384137808 is 8087314831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387133 + ... + 390691.

It is an arithmetic number, because the mean of its divisors is an integer number (67981760).

Almost surely, 2^1384137808 is an apocalyptic number.

It is an amenable number.

1384137808 is a deficient number, since it is larger than the sum of its proper divisors (1335132592).

1384137808 is a wasteful number, since it uses less digits than its factorization.

1384137808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3899 (or 3893 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 1384137808 is about 37204.0025803676. The cubic root of 1384137808 is about 1114.4479180172.

The spelling of 1384137808 in words is "one billion, three hundred eighty-four million, one hundred thirty-seven thousand, eight hundred eight".