298317172 has 12 divisors (see below), whose sum is σ = 522653796. Its totient is φ = 148987520.

The previous prime is 298317169. The next prime is 298317179. The reversal of 298317172 is 271713892.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30536676 + 267780496 = 5526^2 + 16364^2 .

It is a super-2 number, since 2×298317172² = 177986270220155168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298317179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38803 + ... + 45850.

It is an arithmetic number, because the mean of its divisors is an integer number (43554483).

Almost surely, 2^298317172 is an apocalyptic number.

It is an amenable number.

298317172 is a deficient number, since it is larger than the sum of its proper divisors (224336624).

298317172 is a wasteful number, since it uses less digits than its factorization.

298317172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85538 (or 85536 counting only the distinct ones).

The product of its digits is 42336, while the sum is 40.

The square root of 298317172 is about 17271.8606988361. The cubic root of 298317172 is about 668.1788906189.

The spelling of 298317172 in words is "two hundred ninety-eight million, three hundred seventeen thousand, one hundred seventy-two".