797619 has 4 divisors (see below), whose sum is σ = 1063496. Its totient is φ = 531744.

The previous prime is 797611. The next prime is 797627. The reversal of 797619 is 916797.

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

It is an interprime number because it is at equal distance from previous prime (797611) and next prime (797627).

It is not a de Polignac number, because 797619 - 2³ = 797611 is a prime.

It is a super-2 number, since 2×797619² = 1272392138322, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (797611) by changing a digit.

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, 132934 + ... + 132939.

It is an arithmetic number, because the mean of its divisors is an integer number (265874).

2⁷⁹⁷⁶¹⁹ is an apocalyptic number.

797619 is a deficient number, since it is larger than the sum of its proper divisors (265877).

797619 is a wasteful number, since it uses less digits than its factorization.

797619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265876.

The product of its digits is 23814, while the sum is 39.

The square root of 797619 is about 893.0951796981. The cubic root of 797619 is about 92.7395882947.

The spelling of 797619 in words is "seven hundred ninety-seven thousand, six hundred nineteen".