698480280 has 128 divisors (see below), whose sum is σ = 2450880000. Its totient is φ = 176452992.

The previous prime is 698480273. The next prime is 698480281. The reversal of 698480280 is 82084896.

It is a happy number.

698480280 is a `hidden beast` number, since 6 + 98 + 480 + 2 + 80 = 666.

698480280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698480281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3501 + ... + 37539.

It is an arithmetic number, because the mean of its divisors is an integer number (19147500).

Almost surely, 2^698480280 is an apocalyptic number.

698480280 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 698480280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225440000).

698480280 is an abundant number, since it is smaller than the sum of its proper divisors (1752399720).

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

698480280 is a wasteful number, since it uses less digits than its factorization.

698480280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34078 (or 34068 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 698480280 is about 26428.7774972661. Note that the first 3 decimals coincide. The cubic root of 698480280 is about 887.2609811937.

The spelling of 698480280 in words is "six hundred ninety-eight million, four hundred eighty thousand, two hundred eighty".