298216140 has 48 divisors (see below), whose sum is σ = 835773792. Its totient is φ = 79451136.

The previous prime is 298216123. The next prime is 298216141. The reversal of 298216140 is 41612892.

It is not an unprimeable number, because it can be changed into a prime (298216141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105222 + ... + 108018.

It is an arithmetic number, because the mean of its divisors is an integer number (17411954).

Almost surely, 2^298216140 is an apocalyptic number.

298216140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

298216140 is an abundant number, since it is smaller than the sum of its proper divisors (537557652).

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

298216140 is a wasteful number, since it uses less digits than its factorization.

298216140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4586 (or 4584 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 298216140 is about 17268.9356938985. The cubic root of 298216140 is about 668.1034506974.

The spelling of 298216140 in words is "two hundred ninety-eight million, two hundred sixteen thousand, one hundred forty".