1386329 has 4 divisors (see below), whose sum is σ = 1584384. Its totient is φ = 1188276.

The previous prime is 1386317. The next prime is 1386337. The reversal of 1386329 is 9236831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1386329 - 2⁴ = 1386313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1386295 and 1386304.

It is not an unprimeable number, because it can be changed into a prime (1386379) 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, 99017 + ... + 99030.

It is an arithmetic number, because the mean of its divisors is an integer number (396096).

2^1386329 is an apocalyptic number.

It is an amenable number.

1386329 is a deficient number, since it is larger than the sum of its proper divisors (198055).

1386329 is an equidigital number, since it uses as much as digits as its factorization.

1386329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198054.

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

The square root of 1386329 is about 1177.4247322016. The cubic root of 1386329 is about 111.5035692316.

The spelling of 1386329 in words is "one million, three hundred eighty-six thousand, three hundred twenty-nine".