1882940343 has 4 divisors (see below), whose sum is σ = 2510587128. Its totient is φ = 1255293560.

The previous prime is 1882940321. The next prime is 1882940351. The reversal of 1882940343 is 3430492881.

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 1882940343 - 2⁹ = 1882939831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1882940295 and 1882940304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1882940393) 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, 313823388 + ... + 313823393.

It is an arithmetic number, because the mean of its divisors is an integer number (627646782).

Almost surely, 2^1882940343 is an apocalyptic number.

1882940343 is a deficient number, since it is larger than the sum of its proper divisors (627646785).

1882940343 is an equidigital number, since it uses as much as digits as its factorization.

1882940343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627646784.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 1882940343 is about 43392.8605072309. The cubic root of 1882940343 is about 1234.8442586367.

The spelling of 1882940343 in words is "one billion, eight hundred eighty-two million, nine hundred forty thousand, three hundred forty-three".