1673329 has 8 divisors (see below), whose sum is σ = 1978560. Its totient is φ = 1384656.

The previous prime is 1673317. The next prime is 1673339. The reversal of 1673329 is 9233761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1673329 - 2⁵ = 1673297 is a prime.

It is a d-powerful number, because it can be written as 1 + 6³ + 7² + 3⁹ + 3¹³ + 2³ + 9⁵ .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1673329.

It is not an unprimeable number, because it can be changed into a prime (1673339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3919 + ... + 4324.

It is an arithmetic number, because the mean of its divisors is an integer number (247320).

2^1673329 is an apocalyptic number.

It is an amenable number.

1673329 is a deficient number, since it is larger than the sum of its proper divisors (305231).

1673329 is an equidigital number, since it uses as much as digits as its factorization.

1673329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8279.

The product of its digits is 6804, while the sum is 31.

The square root of 1673329 is about 1293.5721858482. The cubic root of 1673329 is about 118.7208815031.

It can be divided in two parts, 1673 and 329, that added together give a palindrome (2002).

The spelling of 1673329 in words is "one million, six hundred seventy-three thousand, three hundred twenty-nine".