1845494 has 16 divisors (see below), whose sum is σ = 3217056. Its totient is φ = 777600.

The previous prime is 1845491. The next prime is 1845499. The reversal of 1845494 is 4945481.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845491) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 227 + ... + 1934.

It is an arithmetic number, because the mean of its divisors is an integer number (201066).

2^1845494 is an apocalyptic number.

1845494 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1845494 is a deficient number, since it is larger than the sum of its proper divisors (1371562).

1845494 is a wasteful number, since it uses less digits than its factorization.

1845494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231.

The product of its digits is 23040, while the sum is 35.

The square root of 1845494 is about 1358.4896024630. The cubic root of 1845494 is about 122.6603536580.

The spelling of 1845494 in words is "one million, eight hundred forty-five thousand, four hundred ninety-four".