298985622 has 64 divisors (see below), whose sum is σ = 666462720. Its totient is φ = 88833024.

The previous prime is 298985593. The next prime is 298985629. The reversal of 298985622 is 226589892.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298985629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324879 + ... + 325797.

It is an arithmetic number, because the mean of its divisors is an integer number (10413480).

Almost surely, 2^298985622 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 298985622, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333231360).

298985622 is an abundant number, since it is smaller than the sum of its proper divisors (367477098).

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

298985622 is a wasteful number, since it uses less digits than its factorization.

298985622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077.

The product of its digits is 1244160, while the sum is 51.

The square root of 298985622 is about 17291.2007101878. The cubic root of 298985622 is about 668.6775891319.

The spelling of 298985622 in words is "two hundred ninety-eight million, nine hundred eighty-five thousand, six hundred twenty-two".