698128362 has 64 divisors (see below), whose sum is σ = 1649462400. Its totient is φ = 218246400.

The previous prime is 698128331. The next prime is 698128367. The reversal of 698128362 is 263821896.

It is not an unprimeable number, because it can be changed into a prime (698128367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100258 + ... + 106994.

It is an arithmetic number, because the mean of its divisors is an integer number (25772850).

Almost surely, 2^698128362 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698128362, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (824731200).

698128362 is an abundant number, since it is smaller than the sum of its proper divisors (951334038).

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

698128362 is a wasteful number, since it uses less digits than its factorization.

698128362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6868 (or 6862 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 698128362 is about 26422.1188022460. The cubic root of 698128362 is about 887.1119454594. Note that the first 3 decimals are identical.

The spelling of 698128362 in words is "six hundred ninety-eight million, one hundred twenty-eight thousand, three hundred sixty-two".