698675328 has 128 divisors (see below), whose sum is σ = 2220825600. Its totient is φ = 214963200.

The previous prime is 698675311. The next prime is 698675357. The reversal of 698675328 is 823576896.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37153 + ... + 52703.

It is an arithmetic number, because the mean of its divisors is an integer number (17350200).

Almost surely, 2^698675328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698675328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1110412800).

698675328 is an abundant number, since it is smaller than the sum of its proper divisors (1522150272).

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

698675328 is a wasteful number, since it uses less digits than its factorization.

698675328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15587 (or 15569 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The square root of 698675328 is about 26432.4673082177. The cubic root of 698675328 is about 887.3435616085.

The spelling of 698675328 in words is "six hundred ninety-eight million, six hundred seventy-five thousand, three hundred twenty-eight".