1384737984 has 112 divisors (see below), whose sum is σ = 4652467200. Its totient is φ = 395635968.

The previous prime is 1384737973. The next prime is 1384738057. The reversal of 1384737984 is 4897374831.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1384737984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45144 + ... + 69335.

Almost surely, 2^1384737984 is an apocalyptic number.

1384737984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1384737984 is an abundant number, since it is smaller than the sum of its proper divisors (3267729216).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1384737984 is a wasteful number, since it uses less digits than its factorization.

1384737984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114507 (or 114491 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The square root of 1384737984 is about 37212.0677200287. The cubic root of 1384737984 is about 1114.6089733296.

The spelling of 1384737984 in words is "one billion, three hundred eighty-four million, seven hundred thirty-seven thousand, nine hundred eighty-four".