1428537 has 16 divisors (see below), whose sum is σ = 2109888. Its totient is φ = 852480.

The previous prime is 1428529. The next prime is 1428541. The reversal of 1428537 is 7358241.

It is not a de Polignac number, because 1428537 - 2³ = 1428529 is a prime.

It is a super-3 number, since 3×1428537³ = 8745723338854950459, which contains 333 as substring.

1428537 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428587) 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 15 ways as a sum of consecutive naturals, for example, 2113 + ... + 2705.

It is an arithmetic number, because the mean of its divisors is an integer number (131868).

2^1428537 is an apocalyptic number.

It is an amenable number.

1428537 is a deficient number, since it is larger than the sum of its proper divisors (681351).

1428537 is a wasteful number, since it uses less digits than its factorization.

1428537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680.

The product of its digits is 6720, while the sum is 30.

The square root of 1428537 is about 1195.2142067429. The cubic root of 1428537 is about 112.6238832846.

The spelling of 1428537 in words is "one million, four hundred twenty-eight thousand, five hundred thirty-seven".