804229521 has 8 divisors (see below), whose sum is σ = 1101287424. Its totient is φ = 521662320.

The previous prime is 804229507. The next prime is 804229529. The reversal of 804229521 is 125922408.

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

It is not a de Polignac number, because 804229521 - 2⁶ = 804229457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (804229529) 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, 3622545 + ... + 3622766.

It is an arithmetic number, because the mean of its divisors is an integer number (137660928).

Almost surely, 2^804229521 is an apocalyptic number.

It is an amenable number.

804229521 is a deficient number, since it is larger than the sum of its proper divisors (297057903).

804229521 is a wasteful number, since it uses less digits than its factorization.

804229521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245351.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 804229521 is about 28358.9407594854. The cubic root of 804229521 is about 929.9508668690.

The spelling of 804229521 in words is "eight hundred four million, two hundred twenty-nine thousand, five hundred twenty-one".