799261 has 4 divisors (see below), whose sum is σ = 801052. Its totient is φ = 797472.

The previous prime is 799259. The next prime is 799291. The reversal of 799261 is 162997.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 44100 + 755161 = 210^2 + 869^2 .

It is a cyclic number.

It is not a de Polignac number, because 799261 - 2¹ = 799259 is a prime.

It is a super-2 number, since 2×799261² = 1277636292242, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385 + ... + 1321.

It is an arithmetic number, because the mean of its divisors is an integer number (200263).

2⁷⁹⁹²⁶¹ is an apocalyptic number.

It is an amenable number.

799261 is a deficient number, since it is larger than the sum of its proper divisors (1791).

799261 is an equidigital number, since it uses as much as digits as its factorization.

799261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1790.

The product of its digits is 6804, while the sum is 34.

The square root of 799261 is about 894.0139819936. The cubic root of 799261 is about 92.8031834149.

The spelling of 799261 in words is "seven hundred ninety-nine thousand, two hundred sixty-one".