298400064 has 112 divisors (see below), whose sum is σ = 811499520. Its totient is φ = 96744960.

The previous prime is 298400059. The next prime is 298400077. The reversal of 298400064 is 460004892.

It is a junction number, because it is equal to n+sod(n) for n = 298399998 and 298400034.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 1562209 + ... + 1562399.

Almost surely, 2^298400064 is an apocalyptic number.

298400064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298400064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405749760).

298400064 is an abundant number, since it is smaller than the sum of its proper divisors (513099456).

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

298400064 is a wasteful number, since it uses less digits than its factorization.

298400064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 378 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 298400064 is about 17274.2601578186. The cubic root of 298400064 is about 668.2407728040.

The spelling of 298400064 in words is "two hundred ninety-eight million, four hundred thousand, sixty-four".