809328046 has 4 divisors (see below), whose sum is σ = 1213992072. Its totient is φ = 404664022.

The previous prime is 809328043. The next prime is 809328101. The reversal of 809328046 is 640823908.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809328043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202332010 + ... + 202332013.

It is an arithmetic number, because the mean of its divisors is an integer number (303498018).

Almost surely, 2^809328046 is an apocalyptic number.

809328046 is a deficient number, since it is larger than the sum of its proper divisors (404664026).

809328046 is a wasteful number, since it uses less digits than its factorization.

809328046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404664025.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 809328046 is about 28448.6914637563. The cubic root of 809328046 is about 931.9119129050.

The spelling of 809328046 in words is "eight hundred nine million, three hundred twenty-eight thousand, forty-six".