698794684 has 72 divisors (see below), whose sum is σ = 1500291072. Its totient is φ = 283540320.

The previous prime is 698794651. The next prime is 698794687. The reversal of 698794684 is 486497896.

698794684 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698794687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284349 + ... + 286795.

It is an arithmetic number, because the mean of its divisors is an integer number (20837376).

Almost surely, 2^698794684 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 698794684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750145536).

698794684 is an abundant number, since it is smaller than the sum of its proper divisors (801496388).

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

698794684 is a wasteful number, since it uses less digits than its factorization.

698794684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2543 (or 2534 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 61.

The square root of 698794684 is about 26434.7249654692. The cubic root of 698794684 is about 887.3940875793.

The spelling of 698794684 in words is "six hundred ninety-eight million, seven hundred ninety-four thousand, six hundred eighty-four".