805992397 has 8 divisors (see below), whose sum is σ = 921663936. Its totient is φ = 690453312.

The previous prime is 805992377. The next prime is 805992431. The reversal of 805992397 is 793299508.

805992397 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 cyclic number.

It is not a de Polignac number, because 805992397 - 2⁷ = 805992269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805992307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19708 + ... + 44725.

It is an arithmetic number, because the mean of its divisors is an integer number (115207992).

Almost surely, 2^805992397 is an apocalyptic number.

It is an amenable number.

805992397 is a deficient number, since it is larger than the sum of its proper divisors (115671539).

805992397 is a wasteful number, since it uses less digits than its factorization.

805992397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66227.

The product of its (nonzero) digits is 1224720, while the sum is 52.

The square root of 805992397 is about 28390.0052307146. The cubic root of 805992397 is about 930.6298569784.

The spelling of 805992397 in words is "eight hundred five million, nine hundred ninety-two thousand, three hundred ninety-seven".