1845412 has 18 divisors (see below), whose sum is σ = 3328962. Its totient is φ = 895104.

The previous prime is 1845379. The next prime is 1845419. The reversal of 1845412 is 2145481.

It can be written as a sum of positive squares in 3 ways, for example, as 817216 + 1028196 = 904^2 + 1014^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1845419) 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, 5308 + ... + 5644.

2^1845412 is an apocalyptic number.

It is an amenable number.

1845412 is a deficient number, since it is larger than the sum of its proper divisors (1483550).

1845412 is a wasteful number, since it uses less digits than its factorization.

1845412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415 (or 376 counting only the distinct ones).

The product of its digits is 1280, while the sum is 25.

The square root of 1845412 is about 1358.4594215508. The cubic root of 1845412 is about 122.6585369271.

The spelling of 1845412 in words is "one million, eight hundred forty-five thousand, four hundred twelve".