809490341 has 4 divisors (see below), whose sum is σ = 883080384. Its totient is φ = 735900300.

The previous prime is 809490337. The next prime is 809490349. The reversal of 809490341 is 143094908.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 809490341 - 2² = 809490337 is a prime.

It is a super-2 number, since 2×809490341² = 1310549224344592562, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 809490295 and 809490304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809490349) 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, 36795005 + ... + 36795026.

It is an arithmetic number, because the mean of its divisors is an integer number (220770096).

Almost surely, 2^809490341 is an apocalyptic number.

It is an amenable number.

809490341 is a deficient number, since it is larger than the sum of its proper divisors (73590043).

809490341 is a wasteful number, since it uses less digits than its factorization.

809490341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73590042.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 809490341 is about 28451.5437366762. The cubic root of 809490341 is about 931.9742010118.

The spelling of 809490341 in words is "eight hundred nine million, four hundred ninety thousand, three hundred forty-one".