1428086 has 16 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 643080.

The previous prime is 1428079. The next prime is 1428109. The reversal of 1428086 is 6808241.

It is a Curzon number.

It is a congruent number.

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, 2825 + ... + 3291.

It is an arithmetic number, because the mean of its divisors is an integer number (147420).

2^1428086 is an apocalyptic number.

1428086 is a deficient number, since it is larger than the sum of its proper divisors (930634).

1428086 is a wasteful number, since it uses less digits than its factorization.

1428086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1428086 is about 1195.0255227400. The cubic root of 1428086 is about 112.6120299649.

It can be divided in two parts, 142 and 8086, that added together give a palindrome (8228).

The spelling of 1428086 in words is "one million, four hundred twenty-eight thousand, eighty-six".