1428232 has 32 divisors (see below), whose sum is σ = 2983680. Its totient is φ = 636480.

The previous prime is 1428209. The next prime is 1428233. The reversal of 1428232 is 2328241.

It is not an unprimeable number, because it can be changed into a prime (1428233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (93240).

2^1428232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1491840).

1428232 is an abundant number, since it is smaller than the sum of its proper divisors (1555448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1428232 is a wasteful number, since it uses less digits than its factorization.

1428232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493 (or 489 counting only the distinct ones).

The product of its digits is 768, while the sum is 22.

The square root of 1428232 is about 1195.0866077402. The cubic root of 1428232 is about 112.6158674546.

Subtracting 1428232 from its reverse (2328241), we obtain a palindrome (900009).

The spelling of 1428232 in words is "one million, four hundred twenty-eight thousand, two hundred thirty-two".