298640322 has 24 divisors (see below), whose sum is σ = 648311664. Its totient is φ = 99353304.

The previous prime is 298640297. The next prime is 298640341. The reversal of 298640322 is 223046892.

298640322 is a `hidden beast` number, since 2 + 9 + 8 + 640 + 3 + 2 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6448 + ... + 25275.

It is an arithmetic number, because the mean of its divisors is an integer number (27012986).

Almost surely, 2^298640322 is an apocalyptic number.

298640322 is an abundant number, since it is smaller than the sum of its proper divisors (349671342).

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

298640322 is a wasteful number, since it uses less digits than its factorization.

298640322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32254 (or 32251 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 298640322 is about 17281.2129782605. The cubic root of 298640322 is about 668.4200702651.

The spelling of 298640322 in words is "two hundred ninety-eight million, six hundred forty thousand, three hundred twenty-two".