1805272 has 16 divisors (see below), whose sum is σ = 3868560. Its totient is φ = 773664.

The previous prime is 1805263. The next prime is 1805299. The reversal of 1805272 is 2725081.

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, 16063 + ... + 16174.

It is an arithmetic number, because the mean of its divisors is an integer number (241785).

2^1805272 is an apocalyptic number.

It is an amenable number.

1805272 is an abundant number, since it is smaller than the sum of its proper divisors (2063288).

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

1805272 is a wasteful number, since it uses less digits than its factorization.

1805272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32250 (or 32246 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 1805272 is about 1343.6041083593. The cubic root of 1805272 is about 121.7626847798.

The spelling of 1805272 in words is "one million, eight hundred five thousand, two hundred seventy-two".