1428984258 has 16 divisors (see below), whose sum is σ = 3077812416. Its totient is φ = 439687440.

The previous prime is 1428984229. The next prime is 1428984301. The reversal of 1428984258 is 8524898241.

It is a super-2 number, since 2×1428984258² = 4083992019223621128, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428984258.

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 in 7 ways as a sum of consecutive naturals, for example, 9160078 + ... + 9160233.

It is an arithmetic number, because the mean of its divisors is an integer number (192363276).

Almost surely, 2^1428984258 is an apocalyptic number.

1428984258 is an abundant number, since it is smaller than the sum of its proper divisors (1648828158).

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

1428984258 is a wasteful number, since it uses less digits than its factorization.

1428984258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18320329.

The product of its digits is 1474560, while the sum is 51.

The square root of 1428984258 is about 37801.9081264425. The cubic root of 1428984258 is about 1126.3563579244.

The spelling of 1428984258 in words is "one billion, four hundred twenty-eight million, nine hundred eighty-four thousand, two hundred fifty-eight".