1428887514 has 32 divisors (see below), whose sum is σ = 3072199680. Its totient is φ = 441625392.

The previous prime is 1428887483. The next prime is 1428887527. The reversal of 1428887514 is 4157888241.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 127984 + ... + 138699.

It is an arithmetic number, because the mean of its divisors is an integer number (96006240).

Almost surely, 2^1428887514 is an apocalyptic number.

1428887514 is an abundant number, since it is smaller than the sum of its proper divisors (1643312166).

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

1428887514 is a wasteful number, since it uses less digits than its factorization.

1428887514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266754.

The product of its digits is 573440, while the sum is 48.

The square root of 1428887514 is about 37800.6284868387. The cubic root of 1428887514 is about 1126.3309387783.

The spelling of 1428887514 in words is "one billion, four hundred twenty-eight million, eight hundred eighty-seven thousand, five hundred fourteen".