1801596 has 48 divisors (see below), whose sum is σ = 4515840. Its totient is φ = 557760.

The previous prime is 1801589. The next prime is 1801601. The reversal of 1801596 is 6951081.

1801596 = 9² + 10² + ... + 175².

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10705 + ... + 10871.

It is an arithmetic number, because the mean of its divisors is an integer number (94080).

2^1801596 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1801596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257920).

1801596 is an abundant number, since it is smaller than the sum of its proper divisors (2714244).

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

1801596 is a wasteful number, since it uses less digits than its factorization.

1801596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 30.

The square root of 1801596 is about 1342.2354487943. The cubic root of 1801596 is about 121.6799818625.

The spelling of 1801596 in words is "one million, eight hundred one thousand, five hundred ninety-six".