1869238 has 32 divisors (see below), whose sum is σ = 3409920. Its totient is φ = 751680.

The previous prime is 1869227. The next prime is 1869251. The reversal of 1869238 is 8329681.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1869197 and 1869206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25570 + ... + 25642.

It is an arithmetic number, because the mean of its divisors is an integer number (106560).

2^1869238 is an apocalyptic number.

1869238 is a deficient number, since it is larger than the sum of its proper divisors (1540682).

1869238 is a wasteful number, since it uses less digits than its factorization.

1869238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172.

The product of its digits is 20736, while the sum is 37.

The square root of 1869238 is about 1367.2007899354. The cubic root of 1869238 is about 123.1841602028.

The spelling of 1869238 in words is "one million, eight hundred sixty-nine thousand, two hundred thirty-eight".