698872 has 8 divisors (see below), whose sum is σ = 1310400. Its totient is φ = 349432.

The previous prime is 698849. The next prime is 698891. The reversal of 698872 is 278896.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

698872 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 43672 + ... + 43687.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2⁶⁹⁸⁸⁷² is an apocalyptic number.

It is an amenable number.

698872 is a deficient number, since it is larger than the sum of its proper divisors (611528).

698872 is a wasteful number, since it uses less digits than its factorization.

698872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87365 (or 87361 counting only the distinct ones).

The product of its digits is 48384, while the sum is 40.

The square root of 698872 is about 835.9856458098. The cubic root of 698872 is about 88.7426814040.

The spelling of 698872 in words is "six hundred ninety-eight thousand, eight hundred seventy-two".