1428360 has 32 divisors (see below), whose sum is σ = 4285440. Its totient is φ = 380864.

The previous prime is 1428359. The next prime is 1428389. The reversal of 1428360 is 638241.

It is a happy number.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1428360.

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, 5832 + ... + 6071.

It is an arithmetic number, because the mean of its divisors is an integer number (133920).

2^1428360 is an apocalyptic number.

1428360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1428360 is an abundant number, since it is smaller than the sum of its proper divisors (2857080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428360 is a wasteful number, since it uses less digits than its factorization.

1428360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11917 (or 11913 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 1428360 is about 1195.1401591445. The cubic root of 1428360 is about 112.6192316140.

The spelling of 1428360 in words is "one million, four hundred twenty-eight thousand, three hundred sixty".