298989642 has 64 divisors (see below), whose sum is σ = 737351424. Its totient is φ = 78873600.

The previous prime is 298989611. The next prime is 298989721. The reversal of 298989642 is 246989892.

298989642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33892 + ... + 41792.

It is an arithmetic number, because the mean of its divisors is an integer number (11521116).

Almost surely, 2^298989642 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298989642, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368675712).

298989642 is an abundant number, since it is smaller than the sum of its proper divisors (438361782).

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

298989642 is a wasteful number, since it uses less digits than its factorization.

298989642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7983.

The product of its digits is 4478976, while the sum is 57.

The square root of 298989642 is about 17291.3169538934. The cubic root of 298989642 is about 668.6805860116.

The spelling of 298989642 in words is "two hundred ninety-eight million, nine hundred eighty-nine thousand, six hundred forty-two".