1813042 has 32 divisors (see below), whose sum is σ = 3464064. Its totient is φ = 691200.

The previous prime is 1813039. The next prime is 1813073. The reversal of 1813042 is 2403181.

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, 9298 + ... + 9490.

It is an arithmetic number, because the mean of its divisors is an integer number (108252).

2^1813042 is an apocalyptic number.

1813042 is a deficient number, since it is larger than the sum of its proper divisors (1651022).

1813042 is a wasteful number, since it uses less digits than its factorization.

1813042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1813042 is about 1346.4924804840. The cubic root of 1813042 is about 121.9371260728.

It can be divided in two parts, 181 and 3042, that added together give a palindrome (3223).

The spelling of 1813042 in words is "one million, eight hundred thirteen thousand, forty-two".