698793216 has 144 divisors (see below), whose sum is σ = 2044555968. Its totient is φ = 210124800.

The previous prime is 698793209. The next prime is 698793233. The reversal of 698793216 is 612397896.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1528860 + ... + 1529316.

Almost surely, 2^698793216 is an apocalyptic number.

698793216 is a gapful number since it is divisible by the number (66) 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 698793216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1022277984).

698793216 is an abundant number, since it is smaller than the sum of its proper divisors (1345762752).

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

698793216 is a wasteful number, since it uses less digits than its factorization.

698793216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 654 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 698793216 is about 26434.6971989467. The cubic root of 698793216 is about 887.3934661782.

The spelling of 698793216 in words is "six hundred ninety-eight million, seven hundred ninety-three thousand, two hundred sixteen".