698679216 has 160 divisors (see below), whose sum is σ = 2064153600. Its totient is φ = 226195200.

The previous prime is 698679203. The next prime is 698679259. The reversal of 698679216 is 612976896.

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 (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2923225 + ... + 2923463.

It is an arithmetic number, because the mean of its divisors is an integer number (12900960).

Almost surely, 2^698679216 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 698679216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1032076800).

698679216 is an abundant number, since it is smaller than the sum of its proper divisors (1365474384).

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

698679216 is a wasteful number, since it uses less digits than its factorization.

698679216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 412 counting only the distinct ones).

The product of its digits is 1959552, while the sum is 54.

The square root of 698679216 is about 26432.5408540307. The cubic root of 698679216 is about 887.3452075735.

The spelling of 698679216 in words is "six hundred ninety-eight million, six hundred seventy-nine thousand, two hundred sixteen".