1428318 has 24 divisors (see below), whose sum is σ = 3139968. Its totient is φ = 469152.

The previous prime is 1428281. The next prime is 1428359. The reversal of 1428318 is 8138241.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1428291 and 1428300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 771 + ... + 1857.

It is an arithmetic number, because the mean of its divisors is an integer number (130832).

2^1428318 is an apocalyptic number.

1428318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1428318 is an abundant number, since it is smaller than the sum of its proper divisors (1711650).

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

1428318 is a wasteful number, since it uses less digits than its factorization.

1428318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1165 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 1428318 is about 1195.1225878545. The cubic root of 1428318 is about 112.6181277714.

The spelling of 1428318 in words is "one million, four hundred twenty-eight thousand, three hundred eighteen".