1393329 has 16 divisors (see below), whose sum is σ = 2173952. Its totient is φ = 777168.

The previous prime is 1393313. The next prime is 1393331. The reversal of 1393329 is 9233931.

It is not a de Polignac number, because 1393329 - 2⁴ = 1393313 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1393296 and 1393305.

It is not an unprimeable number, because it can be changed into a prime (1393229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132 + ... + 1674.

It is an arithmetic number, because the mean of its divisors is an integer number (135872).

2^1393329 is an apocalyptic number.

It is an amenable number.

1393329 is a deficient number, since it is larger than the sum of its proper divisors (780623).

1393329 is a wasteful number, since it uses less digits than its factorization.

1393329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1596.

The product of its digits is 4374, while the sum is 30.

The square root of 1393329 is about 1180.3935784305. The cubic root of 1393329 is about 111.6909261419.

The spelling of 1393329 in words is "one million, three hundred ninety-three thousand, three hundred twenty-nine".