1428524 has 6 divisors (see below), whose sum is σ = 2499924. Its totient is φ = 714260.

The previous prime is 1428521. The next prime is 1428529. The reversal of 1428524 is 4258241.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1428493 and 1428502.

It is not an unprimeable number, because it can be changed into a prime (1428521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 178562 + ... + 178569.

It is an arithmetic number, because the mean of its divisors is an integer number (416654).

2^1428524 is an apocalyptic number.

It is an amenable number.

1428524 is a deficient number, since it is larger than the sum of its proper divisors (1071400).

1428524 is a wasteful number, since it uses less digits than its factorization.

1428524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 357135 (or 357133 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 1428524 is about 1195.2087683748. The cubic root of 1428524 is about 112.6235416496.

The spelling of 1428524 in words is "one million, four hundred twenty-eight thousand, five hundred twenty-four".