809423630 has 8 divisors (see below), whose sum is σ = 1456962552. Its totient is φ = 323769448.

The previous prime is 809423569. The next prime is 809423647. The reversal of 809423630 is 36324908.

It is a happy number.

809423630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×809423630² = 1310333225604753800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40471172 + ... + 40471191.

It is an arithmetic number, because the mean of its divisors is an integer number (182120319).

Almost surely, 2^809423630 is an apocalyptic number.

809423630 is a deficient number, since it is larger than the sum of its proper divisors (647538922).

809423630 is a wasteful number, since it uses less digits than its factorization.

809423630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80942370.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 809423630 is about 28450.3713508277. The cubic root of 809423630 is about 931.9485986314.

The spelling of 809423630 in words is "eight hundred nine million, four hundred twenty-three thousand, six hundred thirty".