798172 has 12 divisors (see below), whose sum is σ = 1403136. Its totient is φ = 397280.

The previous prime is 798151. The next prime is 798173. The reversal of 798172 is 271897.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798173) by changing a digit.

798172 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272 + ... + 1792.

It is an arithmetic number, because the mean of its divisors is an integer number (116928).

2⁷⁹⁸¹⁷² is an apocalyptic number.

It is an amenable number.

798172 is a deficient number, since it is larger than the sum of its proper divisors (604964).

798172 is a wasteful number, since it uses less digits than its factorization.

798172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908 (or 906 counting only the distinct ones).

The product of its digits is 7056, while the sum is 34.

The square root of 798172 is about 893.4047235156. The cubic root of 798172 is about 92.7610158788.

The spelling of 798172 in words is "seven hundred ninety-eight thousand, one hundred seventy-two".