1673343 has 12 divisors (see below), whose sum is σ = 2762448. Its totient is φ = 956160.

The previous prime is 1673339. The next prime is 1673377. The reversal of 1673343 is 3433761.

It is a happy number.

It is not a de Polignac number, because 1673343 - 2² = 1673339 is a prime.

It is a d-powerful number, because it can be written as 1 + 6³ + 7 + 3⁹ + 3¹⁰ + 4³ + 3¹³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673393) 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, 13218 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (230204).

2^1673343 is an apocalyptic number.

1673343 is a deficient number, since it is larger than the sum of its proper divisors (1089105).

1673343 is a wasteful number, since it uses less digits than its factorization.

1673343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26574 (or 26571 counting only the distinct ones).

The product of its digits is 4536, while the sum is 27.

The square root of 1673343 is about 1293.5775972086. The cubic root of 1673343 is about 118.7212125972.

It can be divided in two parts, 1673 and 343, that added together give a triangular number (2016 = T₆₃).

The spelling of 1673343 in words is "one million, six hundred seventy-three thousand, three hundred forty-three".