1905056 has 24 divisors (see below), whose sum is σ = 3854340. Its totient is φ = 926208.

The previous prime is 1905053. The next prime is 1905077. The reversal of 1905056 is 6505091.

It can be written as a sum of positive squares in 2 ways, for example, as 1392400 + 512656 = 1180^2 + 716^2 .

It is not an unprimeable number, because it can be changed into a prime (1905053) 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, 380 + ... + 1988.

2^1905056 is an apocalyptic number.

1905056 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 1905056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927170).

1905056 is an abundant number, since it is smaller than the sum of its proper divisors (1949284).

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

1905056 is a wasteful number, since it uses less digits than its factorization.

1905056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656 (or 1648 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 1905056 is about 1380.2376606947. The cubic root of 1905056 is about 123.9659983083.

The spelling of 1905056 in words is "one million, nine hundred five thousand, fifty-six".