1982343 has 24 divisors (see below), whose sum is σ = 2996224. Its totient is φ = 1164240.

The previous prime is 1982293. The next prime is 1982371. The reversal of 1982343 is 3432891.

It is not a de Polignac number, because 1982343 - 2⁸ = 1982087 is a prime.

It is a super-3 number, since 3×1982343³ = 23369943338931922821, which contains 333 as substring.

1982343 is a lucky number.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 1982343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1982443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15546 + ... + 15672.

2^1982343 is an apocalyptic number.

1982343 is a deficient number, since it is larger than the sum of its proper divisors (1013881).

1982343 is a wasteful number, since it uses less digits than its factorization.

1982343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 184 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 1982343 is about 1407.9570305943. The cubic root of 1982343 is about 125.6202347144.

The spelling of 1982343 in words is "one million, nine hundred eighty-two thousand, three hundred forty-three".