1798544 has 30 divisors (see below), whose sum is σ = 3834390. Its totient is φ = 816640.

The previous prime is 1798543. The next prime is 1798571. The reversal of 1798544 is 4458971.

It can be written as a sum of positive squares in only one way, i.e., 1024144 + 774400 = 1012^2 + 880^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1798498 and 1798507.

It is not an unprimeable number, because it can be changed into a prime (1798543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1472 + ... + 2400.

It is an arithmetic number, because the mean of its divisors is an integer number (127813).

2^1798544 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 1798544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1917195).

1798544 is an abundant number, since it is smaller than the sum of its proper divisors (2035846).

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

1798544 is a wasteful number, since it uses less digits than its factorization.

1798544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 959 (or 942 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 1798544 is about 1341.0980575633. The cubic root of 1798544 is about 121.6112322265.

The spelling of 1798544 in words is "one million, seven hundred ninety-eight thousand, five hundred forty-four".