1838343 has 8 divisors (see below), whose sum is σ = 2639728. Its totient is φ = 1131264.

The previous prime is 1838341. The next prime is 1838371. The reversal of 1838343 is 3438381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1838343 - 2¹ = 1838341 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1838343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23530 + ... + 23607.

It is an arithmetic number, because the mean of its divisors is an integer number (329966).

2^1838343 is an apocalyptic number.

1838343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1838343 is a deficient number, since it is larger than the sum of its proper divisors (801385).

1838343 is a wasteful number, since it uses less digits than its factorization.

1838343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47153.

The product of its digits is 6912, while the sum is 30.

The square root of 1838343 is about 1355.8550807516. The cubic root of 1838343 is about 122.5017187042.

The spelling of 1838343 in words is "one million, eight hundred thirty-eight thousand, three hundred forty-three".