1855252 has 24 divisors (see below), whose sum is σ = 3741696. Its totient is φ = 788448.

The previous prime is 1855247. The next prime is 1855253. The reversal of 1855252 is 2525581.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 1855252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1855253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4653 + ... + 5035.

It is an arithmetic number, because the mean of its divisors is an integer number (155904).

2^1855252 is an apocalyptic number.

It is an amenable number.

1855252 is an abundant number, since it is smaller than the sum of its proper divisors (1886444).

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

1855252 is a wasteful number, since it uses less digits than its factorization.

1855252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 565 counting only the distinct ones).

The product of its digits is 4000, while the sum is 28.

The square root of 1855252 is about 1362.0763561563. The cubic root of 1855252 is about 122.8761615204.

The spelling of 1855252 in words is "one million, eight hundred fifty-five thousand, two hundred fifty-two".