799521 has 8 divisors (see below), whose sum is σ = 1100544. Its totient is φ = 515760.

The previous prime is 799507. The next prime is 799523. The reversal of 799521 is 125997.

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

It is not a de Polignac number, because 799521 - 2⁵ = 799489 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (799523) 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, 4206 + ... + 4391.

It is an arithmetic number, because the mean of its divisors is an integer number (137568).

2⁷⁹⁹⁵²¹ is an apocalyptic number.

It is an amenable number.

799521 is a deficient number, since it is larger than the sum of its proper divisors (301023).

799521 is a wasteful number, since it uses less digits than its factorization.

799521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8631.

The product of its digits is 5670, while the sum is 33.

The square root of 799521 is about 894.1593817659. The cubic root of 799521 is about 92.8132452978.

The spelling of 799521 in words is "seven hundred ninety-nine thousand, five hundred twenty-one".