318898 has 8 divisors (see below), whose sum is σ = 490140. Its totient is φ = 155520.

The previous prime is 318889. The next prime is 318907. The reversal of 318898 is 898813.

It is an interprime number because it is at equal distance from previous prime (318889) and next prime (318907).

It can be written as a sum of positive squares in 2 ways, for example, as 310249 + 8649 = 557^2 + 93^2 .

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

It is a plaindrome in base 12.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 1863 + ... + 2026.

2³¹⁸⁸⁹⁸ is an apocalyptic number.

318898 is a deficient number, since it is larger than the sum of its proper divisors (171242).

318898 is a wasteful number, since it uses less digits than its factorization.

318898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3932.

The product of its digits is 13824, while the sum is 37.

The square root of 318898 is about 564.7105453239. The cubic root of 318898 is about 68.3204311684.

The spelling of 318898 in words is "three hundred eighteen thousand, eight hundred ninety-eight".