1326646 has 8 divisors (see below), whose sum is σ = 2107080. Its totient is φ = 624288.

The previous prime is 1326641. The next prime is 1326649. The reversal of 1326646 is 6466231.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19476 + ... + 19543.

It is an arithmetic number, because the mean of its divisors is an integer number (263385).

2^1326646 is an apocalyptic number.

1326646 is a deficient number, since it is larger than the sum of its proper divisors (780434).

1326646 is a wasteful number, since it uses less digits than its factorization.

1326646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39038.

The product of its digits is 5184, while the sum is 28.

The square root of 1326646 is about 1151.8011981241. The cubic root of 1326646 is about 109.8799240693.

The spelling of 1326646 in words is "one million, three hundred twenty-six thousand, six hundred forty-six".