1797798 has 16 divisors (see below), whose sum is σ = 3633840. Its totient is φ = 592896.

The previous prime is 1797781. The next prime is 1797821. The reversal of 1797798 is 8977971.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 963 + ... + 2126.

It is an arithmetic number, because the mean of its divisors is an integer number (227115).

2^1797798 is an apocalyptic number.

1797798 is an abundant number, since it is smaller than the sum of its proper divisors (1836042).

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

1797798 is a wasteful number, since it uses less digits than its factorization.

1797798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its digits is 222264, while the sum is 48.

The square root of 1797798 is about 1340.8198984204. The cubic root of 1797798 is about 121.5944159341.

The spelling of 1797798 in words is "one million, seven hundred ninety-seven thousand, seven hundred ninety-eight".