1001798 has 16 divisors (see below), whose sum is σ = 1731840. Its totient is φ = 425736.

The previous prime is 1001797. The next prime is 1001801. The reversal of 1001798 is 8971001.

1001798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1001797) 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, 2063 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (108240).

2^1001798 is an apocalyptic number.

1001798 is a deficient number, since it is larger than the sum of its proper divisors (730042).

1001798 is a wasteful number, since it uses less digits than its factorization.

1001798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its (nonzero) digits is 504, while the sum is 26.

The square root of 1001798 is about 1000.8985962624. The cubic root of 1001798 is about 100.0598974491.

Adding to 1001798 its reverse (8971001), we get a palindrome (9972799).

The spelling of 1001798 in words is "one million, one thousand, seven hundred ninety-eight".