1812346 has 8 divisors (see below), whose sum is σ = 2757024. Its totient is φ = 893340.

The previous prime is 1812341. The next prime is 1812347. The reversal of 1812346 is 6432181.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1812346.

It is not an unprimeable number, because it can be changed into a prime (1812341) 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, 6240 + ... + 6523.

It is an arithmetic number, because the mean of its divisors is an integer number (344628).

2^1812346 is an apocalyptic number.

1812346 is a deficient number, since it is larger than the sum of its proper divisors (944678).

1812346 is a wasteful number, since it uses less digits than its factorization.

1812346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12836.

The product of its digits is 1152, while the sum is 25.

The square root of 1812346 is about 1346.2340064045. The cubic root of 1812346 is about 121.9215207895.

The spelling of 1812346 in words is "one million, eight hundred twelve thousand, three hundred forty-six".