1320394 has 4 divisors (see below), whose sum is σ = 1980594. Its totient is φ = 660196.

The previous prime is 1320391. The next prime is 1320409. The reversal of 1320394 is 4930231.

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., 1075369 + 245025 = 1037^2 + 495^2 .

It is not an unprimeable number, because it can be changed into a prime (1320391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 330097 + ... + 330100.

2^1320394 is an apocalyptic number.

1320394 is a deficient number, since it is larger than the sum of its proper divisors (660200).

1320394 is an equidigital number, since it uses as much as digits as its factorization.

1320394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660199.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1320394 is about 1149.0839830056. The cubic root of 1320394 is about 109.7070441739.

The spelling of 1320394 in words is "one million, three hundred twenty thousand, three hundred ninety-four".