698338 has 8 divisors (see below), whose sum is σ = 1075932. Its totient is φ = 339696.

The previous prime is 698329. The next prime is 698339. The reversal of 698338 is 833896.

698338 = T₅₂ + T₅₃ + ... + T₁₆₂.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 651249 + 47089 = 807^2 + 217^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 698297 and 698306.

It is not an unprimeable number, because it can be changed into a prime (698339) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 4645 + ... + 4792.

2⁶⁹⁸³³⁸ is an apocalyptic number.

698338 is a deficient number, since it is larger than the sum of its proper divisors (377594).

698338 is a wasteful number, since it uses less digits than its factorization.

698338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476.

The product of its digits is 31104, while the sum is 37.

The square root of 698338 is about 835.6662013029. Note that the first 3 decimals coincide. The cubic root of 698338 is about 88.7200732265.

It can be divided in two parts, 6983 and 38, that added together give a triangular number (7021 = T₁₁₈).

The spelling of 698338 in words is "six hundred ninety-eight thousand, three hundred thirty-eight".