1428996384 has 96 divisors (see below), whose sum is σ = 4387320000. Its totient is φ = 451256832.

The previous prime is 1428996377. The next prime is 1428996397. The reversal of 1428996384 is 4836998241.

It is a tau number, because it is divible by the number of its divisors (96).

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 1428996384.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27109 + ... + 59940.

It is an arithmetic number, because the mean of its divisors is an integer number (45701250).

Almost surely, 2^1428996384 is an apocalyptic number.

It is an amenable number.

1428996384 is an abundant number, since it is smaller than the sum of its proper divisors (2958323616).

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

1428996384 is a wasteful number, since it uses less digits than its factorization.

1428996384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87087 (or 87073 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 1428996384 is about 37802.0685148313. The cubic root of 1428996384 is about 1126.3595439074.

The spelling of 1428996384 in words is "one billion, four hundred twenty-eight million, nine hundred ninety-six thousand, three hundred eighty-four".