298640448 has 42 divisors (see below), whose sum is σ = 856000574. Its totient is φ = 99546624.

The previous prime is 298640443. The next prime is 298640449. The reversal of 298640448 is 844046892.

298640448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 268697664 + 29942784 = 16392^2 + 5472^2 .

It is a super-2 number, since 2×298640448² = 178372234363281408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (298640443) 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 5 ways as a sum of consecutive naturals, for example, 258661 + ... + 259812.

Almost surely, 2^298640448 is an apocalyptic number.

It is an amenable number.

298640448 is an abundant number, since it is smaller than the sum of its proper divisors (557360126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

298640448 is a wasteful number, since it uses less digits than its factorization.

298640448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518491 (or 518478 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 298640448 is about 17281.2166238376. The cubic root of 298640448 is about 668.4201642700.

It can be divided in two parts, 2986 and 40448, that added together give a palindrome (43434).

The spelling of 298640448 in words is "two hundred ninety-eight million, six hundred forty thousand, four hundred forty-eight".