698496891 has 8 divisors (see below), whose sum is σ = 937043520. Its totient is φ = 462807432.

The previous prime is 698496881. The next prime is 698496893. The reversal of 698496891 is 198694896.

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

It is not a de Polignac number, because 698496891 - 2⁷ = 698496763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (698496893) 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 in 7 ways as a sum of consecutive naturals, for example, 713721 + ... + 714698.

It is an arithmetic number, because the mean of its divisors is an integer number (117130440).

Almost surely, 2^698496891 is an apocalyptic number.

698496891 is a deficient number, since it is larger than the sum of its proper divisors (238546629).

698496891 is a wasteful number, since it uses less digits than its factorization.

698496891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428585.

The product of its digits is 6718464, while the sum is 60.

The square root of 698496891 is about 26429.0917551096. The cubic root of 698496891 is about 887.2680146422.

The spelling of 698496891 in words is "six hundred ninety-eight million, four hundred ninety-six thousand, eight hundred ninety-one".