799503421 has 8 divisors (see below), whose sum is σ = 850833720. Its totient is φ = 748651008.

The previous prime is 799503401. The next prime is 799503443. The reversal of 799503421 is 124305997.

It can be written as a sum of positive squares in 4 ways, for example, as 446476900 + 353026521 = 21130^2 + 18789^2 .

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 799503421 - 2⁵ = 799503389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (799503401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116016 + ... + 122713.

It is an arithmetic number, because the mean of its divisors is an integer number (106354215).

Almost surely, 2^799503421 is an apocalyptic number.

It is an amenable number.

799503421 is a deficient number, since it is larger than the sum of its proper divisors (51330299).

799503421 is a wasteful number, since it uses less digits than its factorization.

799503421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238943.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 799503421 is about 28275.4915253475. The cubic root of 799503421 is about 928.1256506716.

The spelling of 799503421 in words is "seven hundred ninety-nine million, five hundred three thousand, four hundred twenty-one".