1331792 has 80 divisors (see below), whose sum is σ = 3428352. Its totient is φ = 485760.

The previous prime is 1331789. The next prime is 1331801. The reversal of 1331792 is 2971331.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28313 + ... + 28359.

2^1331792 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 1331792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714176).

1331792 is an abundant number, since it is smaller than the sum of its proper divisors (2096560).

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

1331792 is a wasteful number, since it uses less digits than its factorization.

1331792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 90 counting only the distinct ones).

The product of its digits is 1134, while the sum is 26.

The square root of 1331792 is about 1154.0329284730. The cubic root of 1331792 is about 110.0218138557.

The spelling of 1331792 in words is "one million, three hundred thirty-one thousand, seven hundred ninety-two".