1428832 has 12 divisors (see below), whose sum is σ = 2813076. Its totient is φ = 714400.

The previous prime is 1428811. The next prime is 1428839. The reversal of 1428832 is 2388241.

It is a self number, because there is not a number n which added to its sum of digits gives 1428832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22294 + ... + 22357.

It is an arithmetic number, because the mean of its divisors is an integer number (234423).

2^1428832 is an apocalyptic number.

It is an amenable number.

1428832 is a deficient number, since it is larger than the sum of its proper divisors (1384244).

1428832 is an equidigital number, since it uses as much as digits as its factorization.

1428832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44661 (or 44653 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 1428832 is about 1195.3376092134. The cubic root of 1428832 is about 112.6316352152.

The spelling of 1428832 in words is "one million, four hundred twenty-eight thousand, eight hundred thirty-two".