1329386 has 4 divisors (see below), whose sum is σ = 1994082. Its totient is φ = 664692.

The previous prime is 1329379. The next prime is 1329397. The reversal of 1329386 is 6839231.

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., 931225 + 398161 = 965^2 + 631^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332345 + ... + 332348.

2^1329386 is an apocalyptic number.

1329386 is a deficient number, since it is larger than the sum of its proper divisors (664696).

1329386 is an equidigital number, since it uses as much as digits as its factorization.

1329386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664695.

The product of its digits is 7776, while the sum is 32.

The square root of 1329386 is about 1152.9900259759. The cubic root of 1329386 is about 109.9555192058.

The spelling of 1329386 in words is "one million, three hundred twenty-nine thousand, three hundred eighty-six".