1328942 has 4 divisors (see below), whose sum is σ = 1993416. Its totient is φ = 664470.

The previous prime is 1328927. The next prime is 1328953. The reversal of 1328942 is 2498231.

It is a semiprime because it is the product of two primes.

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, 332234 + ... + 332237.

It is an arithmetic number, because the mean of its divisors is an integer number (498354).

2^1328942 is an apocalyptic number.

1328942 is a deficient number, since it is larger than the sum of its proper divisors (664474).

1328942 is an equidigital number, since it uses as much as digits as its factorization.

1328942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664473.

The product of its digits is 3456, while the sum is 29.

The square root of 1328942 is about 1152.7974670340. The cubic root of 1328942 is about 109.9432765397.

It can be divided in two parts, 13289 and 42, that added together give a palindrome (13331).

The spelling of 1328942 in words is "one million, three hundred twenty-eight thousand, nine hundred forty-two".