698365836 has 144 divisors (see below), whose sum is σ = 2149056000. Its totient is φ = 190780128.

The previous prime is 698365819. The next prime is 698365841. The reversal of 698365836 is 638563896.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 282775 + ... + 285233.

It is an arithmetic number, because the mean of its divisors is an integer number (14924000).

Almost surely, 2^698365836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698365836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1074528000).

698365836 is an abundant number, since it is smaller than the sum of its proper divisors (1450690164).

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

698365836 is a wasteful number, since it uses less digits than its factorization.

698365836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2513 (or 2494 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 54.

The square root of 698365836 is about 26426.6122686961. The cubic root of 698365836 is about 887.2125201539.

The spelling of 698365836 in words is "six hundred ninety-eight million, three hundred sixty-five thousand, eight hundred thirty-six".