1799856 has 60 divisors (see below), whose sum is σ = 5222880. Its totient is φ = 577920.

The previous prime is 1799849. The next prime is 1799867. The reversal of 1799856 is 6589971.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3961 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (87048).

2^1799856 is an apocalyptic number.

1799856 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 1799856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2611440).

1799856 is an abundant number, since it is smaller than the sum of its proper divisors (3423024).

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

1799856 is a wasteful number, since it uses less digits than its factorization.

1799856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 465 counting only the distinct ones).

The product of its digits is 136080, while the sum is 45.

The square root of 1799856 is about 1341.5871197951. The cubic root of 1799856 is about 121.6407959839.

The spelling of 1799856 in words is "one million, seven hundred ninety-nine thousand, eight hundred fifty-six".