797018 has 4 divisors (see below), whose sum is σ = 1195530. Its totient is φ = 398508.

The previous prime is 797009. The next prime is 797021. The reversal of 797018 is 810797.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 769129 + 27889 = 877^2 + 167^2 .

It is an Ulam number.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 797018.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199253 + ... + 199256.

2⁷⁹⁷⁰¹⁸ is an apocalyptic number.

797018 is a deficient number, since it is larger than the sum of its proper divisors (398512).

797018 is a wasteful number, since it uses less digits than its factorization.

797018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398511.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 797018 is about 892.7586459957. The cubic root of 797018 is about 92.7162895779.

The spelling of 797018 in words is "seven hundred ninety-seven thousand, eighteen".