1428526 has 12 divisors (see below), whose sum is σ = 2355696. Its totient is φ = 649220.

The previous prime is 1428521. The next prime is 1428529. The reversal of 1428526 is 6258241.

It is a junction number, because it is equal to n+sod(n) for n = 1428494 and 1428503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428521) 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 5 ways as a sum of consecutive naturals, for example, 2710 + ... + 3193.

It is an arithmetic number, because the mean of its divisors is an integer number (196308).

2^1428526 is an apocalyptic number.

1428526 is a deficient number, since it is larger than the sum of its proper divisors (927170).

1428526 is a wasteful number, since it uses less digits than its factorization.

1428526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5927 (or 5916 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 1428526 is about 1195.2096050484. The cubic root of 1428526 is about 112.6235942090.

It can be divided in two parts, 142 and 8526, that added together give a palindrome (8668).

The spelling of 1428526 in words is "one million, four hundred twenty-eight thousand, five hundred twenty-six".