698085270 has 128 divisors (see below), whose sum is σ = 2007936000. Its totient is φ = 172005120.

The previous prime is 698085257. The next prime is 698085307. The reversal of 698085270 is 72580896.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 208671 + ... + 211989.

It is an arithmetic number, because the mean of its divisors is an integer number (15687000).

Almost surely, 2^698085270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698085270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003968000).

698085270 is an abundant number, since it is smaller than the sum of its proper divisors (1309850730).

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

698085270 is a wasteful number, since it uses less digits than its factorization.

698085270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3395 (or 3389 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 698085270 is about 26421.3033365124. The cubic root of 698085270 is about 887.0936927442.

It can be divided in two parts, 69808 and 5270, that added together give a triangular number (75078 = T₃₈₇).

The spelling of 698085270 in words is "six hundred ninety-eight million, eighty-five thousand, two hundred seventy".