805980898 has 8 divisors (see below), whose sum is σ = 1209244608. Its totient is φ = 402899364.

The previous prime is 805980883. The next prime is 805980899. The reversal of 805980898 is 898089508.

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

It is not an unprimeable number, because it can be changed into a prime (805980899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33886 + ... + 52537.

It is an arithmetic number, because the mean of its divisors is an integer number (151155576).

Almost surely, 2^805980898 is an apocalyptic number.

805980898 is a deficient number, since it is larger than the sum of its proper divisors (403263710).

805980898 is a wasteful number, since it uses less digits than its factorization.

805980898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91088.

The product of its (nonzero) digits is 1658880, while the sum is 55.

The square root of 805980898 is about 28389.8027115371. The cubic root of 805980898 is about 930.6254312280.

The spelling of 805980898 in words is "eight hundred five million, nine hundred eighty thousand, eight hundred ninety-eight".