1868343 has 4 divisors (see below), whose sum is σ = 2491128. Its totient is φ = 1245560.

The previous prime is 1868333. The next prime is 1868371. The reversal of 1868343 is 3438681.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1868343 - 2¹⁰ = 1867319 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1868333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311388 + ... + 311393.

It is an arithmetic number, because the mean of its divisors is an integer number (622782).

2^1868343 is an apocalyptic number.

1868343 is a deficient number, since it is larger than the sum of its proper divisors (622785).

1868343 is an equidigital number, since it uses as much as digits as its factorization.

1868343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622784.

The product of its digits is 13824, while the sum is 33.

The square root of 1868343 is about 1366.8734396425. The cubic root of 1868343 is about 123.1644966779.

It can be divided in two parts, 1868 and 343, that added together give a triangular number (2211 = T₆₆).

The spelling of 1868343 in words is "one million, eight hundred sixty-eight thousand, three hundred forty-three".