1798973 has 4 divisors (see below), whose sum is σ = 1962528. Its totient is φ = 1635420.

The previous prime is 1798967. The next prime is 1798987. The reversal of 1798973 is 3798971.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1798973 - 2⁸ = 1798717 is a prime.

It is a Duffinian 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 (1798913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81761 + ... + 81782.

It is an arithmetic number, because the mean of its divisors is an integer number (490632).

2^1798973 is an apocalyptic number.

It is an amenable number.

1798973 is a deficient number, since it is larger than the sum of its proper divisors (163555).

1798973 is a wasteful number, since it uses less digits than its factorization.

1798973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163554.

The product of its digits is 95256, while the sum is 44.

The square root of 1798973 is about 1341.2579915885. The cubic root of 1798973 is about 121.6209006159.

The spelling of 1798973 in words is "one million, seven hundred ninety-eight thousand, nine hundred seventy-three".