805031396 has 48 divisors (see below), whose sum is σ = 1632864240. Its totient is φ = 343941120.

The previous prime is 805031393. The next prime is 805031401. The reversal of 805031396 is 693130508.

It can be written as a sum of positive squares in 8 ways, for example, as 17106496 + 787924900 = 4136^2 + 28070^2 .

It is not an unprimeable number, because it can be changed into a prime (805031393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46460 + ... + 61388.

It is an arithmetic number, because the mean of its divisors is an integer number (34018005).

Almost surely, 2^805031396 is an apocalyptic number.

It is an amenable number.

805031396 is an abundant number, since it is smaller than the sum of its proper divisors (827832844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805031396 is a wasteful number, since it uses less digits than its factorization.

805031396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15024 (or 15022 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 805031396 is about 28373.0751946277. The cubic root of 805031396 is about 930.2598402937.

The spelling of 805031396 in words is "eight hundred five million, thirty-one thousand, three hundred ninety-six".