1331346 has 8 divisors (see below), whose sum is σ = 2662704. Its totient is φ = 443780.

The previous prime is 1331339. The next prime is 1331347. The reversal of 1331346 is 6431331.

It is a sphenic number, since it is the product of 3 distinct primes.

1331346 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1331347) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 110940 + ... + 110951.

It is an arithmetic number, because the mean of its divisors is an integer number (332838).

2^1331346 is an apocalyptic number.

1331346 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1331346 is a wasteful number, since it uses less digits than its factorization.

1331346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221896.

The product of its digits is 648, while the sum is 21.

The square root of 1331346 is about 1153.8396769049. The cubic root of 1331346 is about 110.0095308546.

Adding to 1331346 its reverse (6431331), we get a palindrome (7762677).

The spelling of 1331346 in words is "one million, three hundred thirty-one thousand, three hundred forty-six".