298888506 has 72 divisors (see below), whose sum is σ = 781226784. Its totient is φ = 80889840.

The previous prime is 298888477. The next prime is 298888517. The reversal of 298888506 is 605888892.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 42201 + ... + 48771.

It is an arithmetic number, because the mean of its divisors is an integer number (10850372).

Almost surely, 2^298888506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298888506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390613392).

298888506 is an abundant number, since it is smaller than the sum of its proper divisors (482338278).

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

298888506 is a wasteful number, since it uses less digits than its factorization.

298888506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6624 (or 6602 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The square root of 298888506 is about 17288.3922329406. The cubic root of 298888506 is about 668.6051817201.

The spelling of 298888506 in words is "two hundred ninety-eight million, eight hundred eighty-eight thousand, five hundred six".