1428914884 has 6 divisors (see below), whose sum is σ = 2500601054. Its totient is φ = 714457440.

The previous prime is 1428914873. The next prime is 1428914891. The reversal of 1428914884 is 4884198241.

It can be written as a sum of positive squares in only one way, i.e., 1419782400 + 9132484 = 37680^2 + 3022^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178614357 + ... + 178614364.

Almost surely, 2^1428914884 is an apocalyptic number.

It is an amenable number.

1428914884 is a deficient number, since it is larger than the sum of its proper divisors (1071686170).

1428914884 is a wasteful number, since it uses less digits than its factorization.

1428914884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357228725 (or 357228723 counting only the distinct ones).

The product of its digits is 589824, while the sum is 49.

The square root of 1428914884 is about 37800.9905161227. The cubic root of 1428914884 is about 1126.3381302660.

The spelling of 1428914884 in words is "one billion, four hundred twenty-eight million, nine hundred fourteen thousand, eight hundred eighty-four".