1428368 has 10 divisors (see below), whose sum is σ = 2767494. Its totient is φ = 714176.

The previous prime is 1428359. The next prime is 1428389. The reversal of 1428368 is 8638241.

It can be written as a sum of positive squares in only one way, i.e., 1227664 + 200704 = 1108^2 + 448^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44621 + ... + 44652.

2^1428368 is an apocalyptic number.

It is an amenable number.

1428368 is a deficient number, since it is larger than the sum of its proper divisors (1339126).

1428368 is an equidigital number, since it uses as much as digits as its factorization.

1428368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89281 (or 89275 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 1428368 is about 1195.1435060276. The cubic root of 1428368 is about 112.6194418673.

It can be divided in two parts, 14 and 28368, that added together give a palindrome (28382).

The spelling of 1428368 in words is "one million, four hundred twenty-eight thousand, three hundred sixty-eight".