797209 has 8 divisors (see below), whose sum is σ = 926528. Its totient is φ = 671760.

The previous prime is 797207. The next prime is 797273. The reversal of 797209 is 902797.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 797209 - 2¹ = 797207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797201) 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, 507 + ... + 1360.

It is an arithmetic number, because the mean of its divisors is an integer number (115816).

2⁷⁹⁷²⁰⁹ is an apocalyptic number.

It is an amenable number.

797209 is a deficient number, since it is larger than the sum of its proper divisors (129319).

797209 is a wasteful number, since it uses less digits than its factorization.

797209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1935.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 797209 is about 892.8656113884. The cubic root of 797209 is about 92.7236952647.

The spelling of 797209 in words is "seven hundred ninety-seven thousand, two hundred nine".