1813048 has 8 divisors (see below), whose sum is σ = 3399480. Its totient is φ = 906520.

The previous prime is 1813039. The next prime is 1813073. The reversal of 1813048 is 8403181.

It is a tau number, because it is divible by the number of its divisors (8).

It is an Ulam number.

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 as a sum of consecutive naturals, namely, 113308 + ... + 113323.

It is an arithmetic number, because the mean of its divisors is an integer number (424935).

2^1813048 is an apocalyptic number.

It is an amenable number.

1813048 is a deficient number, since it is larger than the sum of its proper divisors (1586432).

1813048 is a wasteful number, since it uses less digits than its factorization.

1813048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226637 (or 226633 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 1813048 is about 1346.4947084931. The cubic root of 1813048 is about 121.9372605837.

The spelling of 1813048 in words is "one million, eight hundred thirteen thousand, forty-eight".