698117280 has 192 divisors, whose sum is σ = 2529854208. Its totient is φ = 158515200.

The previous prime is 698117279. The next prime is 698117293. The reversal of 698117280 is 82711896.

698117280 is digitally balanced in base 6, 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 (42).

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 31 ways as a sum of consecutive naturals, for example, 580680 + ... + 581880.

It is an arithmetic number, because the mean of its divisors is an integer number (13176324).

Almost surely, 2^698117280 is an apocalyptic number.

698117280 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 698117280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1264927104).

698117280 is an abundant number, since it is smaller than the sum of its proper divisors (1831736928).

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

698117280 is a wasteful number, since it uses less digits than its factorization.

698117280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399 (or 1391 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 698117280 is about 26421.9090907527. The cubic root of 698117280 is about 887.1072514675.

The spelling of 698117280 in words is "six hundred ninety-eight million, one hundred seventeen thousand, two hundred eighty".