1803872 has 24 divisors (see below), whose sum is σ = 4059216. Its totient is φ = 772992.

The previous prime is 1803863. The next prime is 1803881. The reversal of 1803872 is 2783081.

It is an interprime number because it is at equal distance from previous prime (1803863) and next prime (1803881).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3803 + ... + 4250.

It is an arithmetic number, because the mean of its divisors is an integer number (169134).

2^1803872 is an apocalyptic number.

It is an amenable number.

1803872 is an abundant number, since it is smaller than the sum of its proper divisors (2255344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1803872 is an equidigital number, since it uses as much as digits as its factorization.

1803872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070 (or 8062 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 1803872 is about 1343.0830205166. The cubic root of 1803872 is about 121.7312007257.

The spelling of 1803872 in words is "one million, eight hundred three thousand, eight hundred seventy-two".