1428568 has 8 divisors (see below), whose sum is σ = 2678580. Its totient is φ = 714280.

The previous prime is 1428541. The next prime is 1428571. The reversal of 1428568 is 8658241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89278 + ... + 89293.

2^1428568 is an apocalyptic number.

It is an amenable number.

1428568 is a deficient number, since it is larger than the sum of its proper divisors (1250012).

1428568 is a wasteful number, since it uses less digits than its factorization.

1428568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178577 (or 178573 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 1428568 is about 1195.2271750592. The cubic root of 1428568 is about 112.6246979445.

It can be divided in two parts, 14 and 28568, that added together give a palindrome (28582).

The spelling of 1428568 in words is "one million, four hundred twenty-eight thousand, five hundred sixty-eight".