809498 has 8 divisors (see below), whose sum is σ = 1224192. Its totient is φ = 401436.

The previous prime is 809491. The next prime is 809507. The reversal of 809498 is 894908.

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

It is not an unprimeable number, because it can be changed into a prime (809491) 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, 1340 + ... + 1847.

It is an arithmetic number, because the mean of its divisors is an integer number (153024).

2⁸⁰⁹⁴⁹⁸ is an apocalyptic number.

809498 is a deficient number, since it is larger than the sum of its proper divisors (414694).

809498 is a wasteful number, since it uses less digits than its factorization.

809498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3316.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 809498 is about 899.7210678872. The cubic root of 809498 is about 93.1977140297.

It can be divided in two parts, 8094 and 98, that added together give a 13-th power (8192 = 2¹³).

The spelling of 809498 in words is "eight hundred nine thousand, four hundred ninety-eight".