1428536 has 8 divisors (see below), whose sum is σ = 2678520. Its totient is φ = 714264.

The previous prime is 1428529. The next prime is 1428541. The reversal of 1428536 is 6358241.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1428499 and 1428508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89276 + ... + 89291.

It is an arithmetic number, because the mean of its divisors is an integer number (334815).

2^1428536 is an apocalyptic number.

It is an amenable number.

1428536 is a deficient number, since it is larger than the sum of its proper divisors (1249984).

1428536 is a wasteful number, since it uses less digits than its factorization.

1428536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178573 (or 178569 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 1428536 is about 1195.2137884077. The cubic root of 1428536 is about 112.6238570051.

The spelling of 1428536 in words is "one million, four hundred twenty-eight thousand, five hundred thirty-six".