1428836 has 12 divisors (see below), whose sum is σ = 2508912. Its totient is φ = 712008.

The previous prime is 1428811. The next prime is 1428839. The reversal of 1428836 is 6388241.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1428839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1751 + ... + 2433.

It is an arithmetic number, because the mean of its divisors is an integer number (209076).

2^1428836 is an apocalyptic number.

It is an amenable number.

1428836 is a deficient number, since it is larger than the sum of its proper divisors (1080076).

1428836 is a wasteful number, since it uses less digits than its factorization.

1428836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1210 (or 1208 counting only the distinct ones).

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

The square root of 1428836 is about 1195.3392823797. The cubic root of 1428836 is about 112.6317403188.

The spelling of 1428836 in words is "one million, four hundred twenty-eight thousand, eight hundred thirty-six".