1428716 has 6 divisors (see below), whose sum is σ = 2500260. Its totient is φ = 714356.

The previous prime is 1428709. The next prime is 1428751. The reversal of 1428716 is 6178241.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178586 + ... + 178593.

It is an arithmetic number, because the mean of its divisors is an integer number (416710).

2^1428716 is an apocalyptic number.

It is an amenable number.

1428716 is a deficient number, since it is larger than the sum of its proper divisors (1071544).

1428716 is a wasteful number, since it uses less digits than its factorization.

1428716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357183 (or 357181 counting only the distinct ones).

The product of its digits is 2688, while the sum is 29.

The square root of 1428716 is about 1195.2890863720. The cubic root of 1428716 is about 112.6285871257.

The spelling of 1428716 in words is "one million, four hundred twenty-eight thousand, seven hundred sixteen".