1329764 has 6 divisors (see below), whose sum is σ = 2327094. Its totient is φ = 664880.

The previous prime is 1329763. The next prime is 1329767. The reversal of 1329764 is 4679231.

It can be written as a sum of positive squares in only one way, i.e., 1304164 + 25600 = 1142^2 + 160^2 .

It is a d-powerful number, because it can be written as 1 + 3 + 2⁹ + 9³ + 7 + 6⁷ + 4¹⁰ .

It is a self number, because there is not a number n which added to its sum of digits gives 1329764.

It is not an unprimeable number, because it can be changed into a prime (1329761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166217 + ... + 166224.

It is an arithmetic number, because the mean of its divisors is an integer number (387849).

2^1329764 is an apocalyptic number.

It is an amenable number.

1329764 is a deficient number, since it is larger than the sum of its proper divisors (997330).

1329764 is a wasteful number, since it uses less digits than its factorization.

1329764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332445 (or 332443 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 1329764 is about 1153.1539359513. The cubic root of 1329764 is about 109.9659398680.

The spelling of 1329764 in words is "one million, three hundred twenty-nine thousand, seven hundred sixty-four".