1880256 has 56 divisors (see below), whose sum is σ = 5689600. Its totient is φ = 536832.

The previous prime is 1880233. The next prime is 1880257. The reversal of 1880256 is 6520881.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (1880257) 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, 645 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (101600).

2^1880256 is an apocalyptic number.

1880256 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 1880256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2844800).

1880256 is an abundant number, since it is smaller than the sum of its proper divisors (3809344).

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

1880256 is a wasteful number, since it uses less digits than its factorization.

1880256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1421 (or 1411 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1880256 is about 1371.2242704970. The cubic root of 1880256 is about 123.4257176491.

The spelling of 1880256 in words is "one million, eight hundred eighty thousand, two hundred fifty-six".