698844672 has 240 divisors, whose sum is σ = 2158268112. Its totient is φ = 225607680.

The previous prime is 698844661. The next prime is 698844677. The reversal of 698844672 is 276448896.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698844677) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 5100988 + ... + 5101124.

Almost surely, 2^698844672 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 698844672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1079134056).

698844672 is an abundant number, since it is smaller than the sum of its proper divisors (1459423440).

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

698844672 is an equidigital number, since it uses as much as digits as its factorization.

698844672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 183 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 698844672 is about 26435.6704473331. The cubic root of 698844672 is about 887.4152468693.

The spelling of 698844672 in words is "six hundred ninety-eight million, eight hundred forty-four thousand, six hundred seventy-two".