1428888746 has 16 divisors (see below), whose sum is σ = 2156112000. Its totient is φ = 710195808.

The previous prime is 1428888719. The next prime is 1428888751. The reversal of 1428888746 is 6478888241.

It is a junction number, because it is equal to n+sod(n) for n = 1428888691 and 1428888700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305030 + ... + 309678.

It is an arithmetic number, because the mean of its divisors is an integer number (134757000).

Almost surely, 2^1428888746 is an apocalyptic number.

1428888746 is a deficient number, since it is larger than the sum of its proper divisors (727223254).

1428888746 is a wasteful number, since it uses less digits than its factorization.

1428888746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5533.

The product of its digits is 5505024, while the sum is 56.

The square root of 1428888746 is about 37800.6447828605. The cubic root of 1428888746 is about 1126.3312624892.

It can be divided in two parts, 142 and 8888746, that added together give a palindrome (8888888).

The spelling of 1428888746 in words is "one billion, four hundred twenty-eight million, eight hundred eighty-eight thousand, seven hundred forty-six".