312898 has 8 divisors (see below), whose sum is σ = 474300. Its totient is φ = 154800.

The previous prime is 312887. The next prime is 312899. The reversal of 312898 is 898213.

It can be written as a sum of positive squares in 2 ways, for example, as 299209 + 13689 = 547^2 + 117^2 .

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

It is not an unprimeable number, because it can be changed into a prime (312899) by changing a digit.

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, 573 + ... + 976.

2³¹²⁸⁹⁸ is an apocalyptic number.

312898 is a deficient number, since it is larger than the sum of its proper divisors (161402).

312898 is a wasteful number, since it uses less digits than its factorization.

312898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its digits is 3456, while the sum is 31.

The square root of 312898 is about 559.3728631244. The cubic root of 312898 is about 67.8892372121.

The spelling of 312898 in words is "three hundred twelve thousand, eight hundred ninety-eight".