1855936 has 28 divisors (see below), whose sum is σ = 3767328. Its totient is φ = 906752.

The previous prime is 1855933. The next prime is 1855949. The reversal of 1855936 is 6395581.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 1855895 and 1855904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1855933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2700 + ... + 3316.

2^1855936 is an apocalyptic number.

1855936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1855936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1883664).

1855936 is an abundant number, since it is smaller than the sum of its proper divisors (1911392).

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

1855936 is an equidigital number, since it uses as much as digits as its factorization.

1855936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 666 counting only the distinct ones).

The product of its digits is 32400, while the sum is 37.

The square root of 1855936 is about 1362.3274202628. The cubic root of 1855936 is about 122.8912604517.

The spelling of 1855936 in words is "one million, eight hundred fifty-five thousand, nine hundred thirty-six".