698378220 has 96 divisors (see below), whose sum is σ = 2184315840. Its totient is φ = 185241600.

The previous prime is 698378159. The next prime is 698378257. The reversal of 698378220 is 22873896.

698378220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100870 + ... + 107570.

It is an arithmetic number, because the mean of its divisors is an integer number (22753290).

Almost surely, 2^698378220 is an apocalyptic number.

698378220 is a gapful number since it is divisible by the number (60) 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 698378220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1092157920).

698378220 is an abundant number, since it is smaller than the sum of its proper divisors (1485937620).

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

698378220 is a wasteful number, since it uses less digits than its factorization.

698378220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6912 (or 6904 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 698378220 is about 26426.8465769187. The cubic root of 698378220 is about 887.2177643847.

The spelling of 698378220 in words is "six hundred ninety-eight million, three hundred seventy-eight thousand, two hundred twenty".