1416888728 has 32 divisors (see below), whose sum is σ = 2836944000. Its totient is φ = 661946880.

The previous prime is 1416888727. The next prime is 1416888751. The reversal of 1416888728 is 8278886141.

It is a self number, because there is not a number n which added to its sum of digits gives 1416888728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1416888721) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 91313 + ... + 105696.

It is an arithmetic number, because the mean of its divisors is an integer number (88654500).

Almost surely, 2^1416888728 is an apocalyptic number.

It is an amenable number.

1416888728 is an abundant number, since it is smaller than the sum of its proper divisors (1420055272).

1416888728 is a wasteful number, since it uses less digits than its factorization.

1416888728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197075 (or 197071 counting only the distinct ones).

The product of its digits is 1376256, while the sum is 53.

The square root of 1416888728 is about 37641.5824321986. The cubic root of 1416888728 is about 1123.1693626266.

The spelling of 1416888728 in words is "one billion, four hundred sixteen million, eight hundred eighty-eight thousand, seven hundred twenty-eight".