797739 has 8 divisors (see below), whose sum is σ = 1081920. Its totient is φ = 522696.

The previous prime is 797729. The next prime is 797743. The reversal of 797739 is 937797.

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

It is not a de Polignac number, because 797739 - 2⁷ = 797611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 797739.

It is not an unprimeable number, because it can be changed into a prime (797729) 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, 2077 + ... + 2430.

It is an arithmetic number, because the mean of its divisors is an integer number (135240).

2⁷⁹⁷⁷³⁹ is an apocalyptic number.

797739 is a deficient number, since it is larger than the sum of its proper divisors (284181).

797739 is a wasteful number, since it uses less digits than its factorization.

797739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569.

The product of its digits is 83349, while the sum is 42.

The square root of 797739 is about 893.1623592606. The cubic root of 797739 is about 92.7442388829.

The spelling of 797739 in words is "seven hundred ninety-seven thousand, seven hundred thirty-nine".