698888 has 16 divisors (see below), whose sum is σ = 1320000. Its totient is φ = 346896.

The previous prime is 698849. The next prime is 698891. The reversal of 698888 is 888896.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 698888.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1373 + ... + 1811.

It is an arithmetic number, because the mean of its divisors is an integer number (82500).

2⁶⁹⁸⁸⁸⁸ is an apocalyptic number.

It is an amenable number.

698888 is a deficient number, since it is larger than the sum of its proper divisors (621112).

698888 is a wasteful number, since it uses less digits than its factorization.

698888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644 (or 640 counting only the distinct ones).

The product of its digits is 221184, while the sum is 47.

The square root of 698888 is about 835.9952152973. The cubic root of 698888 is about 88.7433586249.

It can be divided in two parts, 69888 and 8, that added together give a palindrome (69896).

The spelling of 698888 in words is "six hundred ninety-eight thousand, eight hundred eighty-eight".