1673328 has 40 divisors (see below), whose sum is σ = 4392576. Its totient is φ = 548800.

The previous prime is 1673317. The next prime is 1673339. The reversal of 1673328 is 8233761.

It is an interprime number because it is at equal distance from previous prime (1673317) and next prime (1673339).

It is a junction number, because it is equal to n+sod(n) for n = 1673295 and 1673304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3163 + ... + 3653.

2^1673328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1673328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2196288).

1673328 is an abundant number, since it is smaller than the sum of its proper divisors (2719248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1673328 is a wasteful number, since it uses less digits than its factorization.

1673328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 567 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 1673328 is about 1293.5717993216. The cubic root of 1673328 is about 118.7208578535.

It can be divided in two parts, 16733 and 28, that added together give a palindrome (16761).

The spelling of 1673328 in words is "one million, six hundred seventy-three thousand, three hundred twenty-eight".