1845706 has 4 divisors (see below), whose sum is σ = 2768562. Its totient is φ = 922852.

The previous prime is 1845637. The next prime is 1845713. The reversal of 1845706 is 6075481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6075481 = 2131 ⋅2851.

It can be written as a sum of positive squares in only one way, i.e., 1651225 + 194481 = 1285^2 + 441^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 461425 + ... + 461428.

2^1845706 is an apocalyptic number.

1845706 is a deficient number, since it is larger than the sum of its proper divisors (922856).

1845706 is an equidigital number, since it uses as much as digits as its factorization.

1845706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922855.

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 1845706 is about 1358.5676280554. The cubic root of 1845706 is about 122.6650503226.

The spelling of 1845706 in words is "one million, eight hundred forty-five thousand, seven hundred six".