698319846 has 128 divisors (see below), whose sum is σ = 1889464320. Its totient is φ = 186624000.

The previous prime is 698319827. The next prime is 698319847. The reversal of 698319846 is 648913896.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 698319792 and 698319801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (698319847) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 1741246 + ... + 1741646.

It is an arithmetic number, because the mean of its divisors is an integer number (14761440).

Almost surely, 2^698319846 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 698319846, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (944732160).

698319846 is an abundant number, since it is smaller than the sum of its proper divisors (1191144474).

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

698319846 is a wasteful number, since it uses less digits than its factorization.

698319846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707 (or 701 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 698319846 is about 26425.7421087848. The cubic root of 698319846 is about 887.1930443064.

The spelling of 698319846 in words is "six hundred ninety-eight million, three hundred nineteen thousand, eight hundred forty-six".