1329946 has 4 divisors (see below), whose sum is σ = 1994922. Its totient is φ = 664972.

The previous prime is 1329941. The next prime is 1329949. The reversal of 1329946 is 6499231.

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

It can be written as a sum of positive squares in only one way, i.e., 893025 + 436921 = 945^2 + 661^2 .

It is not an unprimeable number, because it can be changed into a prime (1329941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332485 + ... + 332488.

2^1329946 is an apocalyptic number.

1329946 is a deficient number, since it is larger than the sum of its proper divisors (664976).

1329946 is an equidigital number, since it uses as much as digits as its factorization.

1329946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664975.

The product of its digits is 11664, while the sum is 34.

The square root of 1329946 is about 1153.2328472603. The cubic root of 1329946 is about 109.9709565196.

The spelling of 1329946 in words is "one million, three hundred twenty-nine thousand, nine hundred forty-six".