1838196 has 18 divisors (see below), whose sum is σ = 4646642. Its totient is φ = 612720.

The previous prime is 1838191. The next prime is 1838203. The reversal of 1838196 is 6918381.

It can be written as a sum of positive squares in only one way, i.e., 1028196 + 810000 = 1014^2 + 900^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 51061 = 1838196 / (1 + 8 + 3 + 8 + 1 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 1838196.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1838191) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25495 + ... + 25566.

2^1838196 is an apocalyptic number.

It is an amenable number.

1838196 is an abundant number, since it is smaller than the sum of its proper divisors (2808446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1838196 is a wasteful number, since it uses less digits than its factorization.

1838196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51071 (or 51066 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 1838196 is about 1355.8008703346. The cubic root of 1838196 is about 122.4984534027.

The spelling of 1838196 in words is "one million, eight hundred thirty-eight thousand, one hundred ninety-six".