1838043 has 12 divisors (see below), whose sum is σ = 2667288. Its totient is φ = 1219680.

The previous prime is 1838033. The next prime is 1838047. The reversal of 1838043 is 3408381.

It is not a de Polignac number, because 1838043 - 2¹² = 1833947 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1837998 and 1838016.

It is not an unprimeable number, because it can be changed into a prime (1838047) 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, 2671 + ... + 3287.

It is an arithmetic number, because the mean of its divisors is an integer number (222274).

2^1838043 is an apocalyptic number.

1838043 is a deficient number, since it is larger than the sum of its proper divisors (829245).

1838043 is a wasteful number, since it uses less digits than its factorization.

1838043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 951 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1838043 is about 1355.7444449453. The cubic root of 1838043 is about 122.4950546386.

The spelling of 1838043 in words is "one million, eight hundred thirty-eight thousand, forty-three".