698104872 has 128 divisors (see below), whose sum is σ = 2018995200. Its totient is φ = 223257600.

The previous prime is 698104867. The next prime is 698104877. The reversal of 698104872 is 278401896.

It is an interprime number because it is at equal distance from previous prime (698104867) and next prime (698104877).

It is not an unprimeable number, because it can be changed into a prime (698104877) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 916972 + ... + 917732.

It is an arithmetic number, because the mean of its divisors is an integer number (15773400).

Almost surely, 2^698104872 is an apocalyptic number.

698104872 is a gapful number since it is divisible by the number (62) 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 698104872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1009497600).

698104872 is an abundant number, since it is smaller than the sum of its proper divisors (1320890328).

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

698104872 is a wasteful number, since it uses less digits than its factorization.

698104872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 934 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 698104872 is about 26421.6742845717. The cubic root of 698104872 is about 887.1019957642.

It can be divided in two parts, 698 and 104872, that added together give a triangular number (105570 = T₄₅₉).

The spelling of 698104872 in words is "six hundred ninety-eight million, one hundred four thousand, eight hundred seventy-two".