804735 has 20 divisors (see below), whose sum is σ = 1443288. Its totient is φ = 428976.

The previous prime is 804709. The next prime is 804743. The reversal of 804735 is 537408.

It is not a de Polignac number, because 804735 - 2⁵ = 804703 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

804735 is a lucky number.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 804699 and 804708.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 589 + ... + 1398.

2⁸⁰⁴⁷³⁵ is an apocalyptic number.

804735 is a deficient number, since it is larger than the sum of its proper divisors (638553).

804735 is a wasteful number, since it uses less digits than its factorization.

804735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2004 (or 1995 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 804735 is about 897.0702313643. The cubic root of 804735 is about 93.0145658767.

The spelling of 804735 in words is "eight hundred four thousand, seven hundred thirty-five".