698122 has 8 divisors (see below), whose sum is σ = 1108836. Its totient is φ = 328512.

The previous prime is 698111. The next prime is 698171. The reversal of 698122 is 221896.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 657721 + 40401 = 811^2 + 201^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10233 + ... + 10300.

2⁶⁹⁸¹²² is an apocalyptic number.

698122 is a deficient number, since it is larger than the sum of its proper divisors (410714).

698122 is a wasteful number, since it uses less digits than its factorization.

698122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20552.

The product of its digits is 1728, while the sum is 28.

The square root of 698122 is about 835.5369531026. The cubic root of 698122 is about 88.7109250719.

It can be divided in two parts, 698 and 122, that added together give a triangular number (820 = T₄₀).

The spelling of 698122 in words is "six hundred ninety-eight thousand, one hundred twenty-two".