1673316 has 36 divisors (see below), whose sum is σ = 4314492. Its totient is φ = 546624.

The previous prime is 1673297. The next prime is 1673317. The reversal of 1673316 is 6133761.

It can be written as a sum of positive squares in 2 ways, for example, as 1313316 + 360000 = 1146^2 + 600^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1673316.

It is not an unprimeable number, because it can be changed into a prime (1673317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1470 + ... + 2346.

It is an arithmetic number, because the mean of its divisors is an integer number (119847).

2^1673316 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 1673316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2157246).

1673316 is an abundant number, since it is smaller than the sum of its proper divisors (2641176).

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

1673316 is a wasteful number, since it uses less digits than its factorization.

1673316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940 (or 935 counting only the distinct ones).

The product of its digits is 2268, while the sum is 27.

The square root of 1673316 is about 1293.5671609932. The cubic root of 1673316 is about 118.7205740570.

The spelling of 1673316 in words is "one million, six hundred seventy-three thousand, three hundred sixteen".