698008896 has 252 divisors, whose sum is σ = 2249315796. Its totient is φ = 205701120.

The previous prime is 698008877. The next prime is 698008897. The reversal of 698008896 is 698800896.

It can be written as a sum of positive squares in 2 ways, for example, as 199826496 + 498182400 = 14136^2 + 22320^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698008897) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7195920 + ... + 7196016.

Almost surely, 2^698008896 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 698008896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1124657898).

698008896 is an abundant number, since it is smaller than the sum of its proper divisors (1551306900).

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

698008896 is a wasteful number, since it uses less digits than its factorization.

698008896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The square root of 698008896 is about 26419.8579859923. The cubic root of 698008896 is about 887.0613407439.

The spelling of 698008896 in words is "six hundred ninety-eight million, eight thousand, eight hundred ninety-six".