698226888 has 64 divisors (see below), whose sum is σ = 1805598720. Its totient is φ = 224769600.

The previous prime is 698226871. The next prime is 698226901. The reversal of 698226888 is 888622896.

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 15 ways as a sum of consecutive naturals, for example, 704073 + ... + 705063.

It is an arithmetic number, because the mean of its divisors is an integer number (28212480).

Almost surely, 2^698226888 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 698226888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (902799360).

698226888 is an abundant number, since it is smaller than the sum of its proper divisors (1107371832).

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

698226888 is a wasteful number, since it uses less digits than its factorization.

698226888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1978 (or 1974 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 57.

The square root of 698226888 is about 26423.9831970882. The cubic root of 698226888 is about 887.1536758369.

The spelling of 698226888 in words is "six hundred ninety-eight million, two hundred twenty-six thousand, eight hundred eighty-eight".