1428518 has 32 divisors (see below), whose sum is σ = 2709504. Its totient is φ = 549792.

The previous prime is 1428491. The next prime is 1428521. The reversal of 1428518 is 8158241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8471 + ... + 8637.

It is an arithmetic number, because the mean of its divisors is an integer number (84672).

2^1428518 is an apocalyptic number.

1428518 is a deficient number, since it is larger than the sum of its proper divisors (1280986).

1428518 is a wasteful number, since it uses less digits than its factorization.

1428518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236.

The product of its digits is 2560, while the sum is 29.

The square root of 1428518 is about 1195.2062583504. The cubic root of 1428518 is about 112.6233839712.

The spelling of 1428518 in words is "one million, four hundred twenty-eight thousand, five hundred eighteen".