698700816 has 360 divisors, whose sum is σ = 2420282592. Its totient is φ = 192844800.

The previous prime is 698700811. The next prime is 698700841. The reversal of 698700816 is 618007896.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698700811) 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 71 ways as a sum of consecutive naturals, for example, 22538721 + ... + 22538751.

Almost surely, 2^698700816 is an apocalyptic number.

698700816 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698700816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1210141296).

698700816 is an abundant number, since it is smaller than the sum of its proper divisors (1721581776).

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

698700816 is a wasteful number, since it uses less digits than its factorization.

698700816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 698700816 is about 26432.9494381539. The cubic root of 698700816 is about 887.3543517122.

The spelling of 698700816 in words is "six hundred ninety-eight million, seven hundred thousand, eight hundred sixteen".