797242 has 4 divisors (see below), whose sum is σ = 1195866. Its totient is φ = 398620.

The previous prime is 797207. The next prime is 797273. The reversal of 797242 is 242797.

It is a happy number.

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., 674041 + 123201 = 821^2 + 351^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

797242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199309 + ... + 199312.

2⁷⁹⁷²⁴² is an apocalyptic number.

797242 is a deficient number, since it is larger than the sum of its proper divisors (398624).

797242 is a wasteful number, since it uses less digits than its factorization.

797242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398623.

The product of its digits is 7056, while the sum is 31.

The square root of 797242 is about 892.8840910219. The cubic root of 797242 is about 92.7249746614.

The spelling of 797242 in words is "seven hundred ninety-seven thousand, two hundred forty-two".