298643226 has 32 divisors (see below), whose sum is σ = 691261440. Its totient is φ = 84245616.

The previous prime is 298643209. The next prime is 298643227. The reversal of 298643226 is 622346892.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (298643227) 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, 41686 + ... + 48321.

It is an arithmetic number, because the mean of its divisors is an integer number (21601920).

Almost surely, 2^298643226 is an apocalyptic number.

298643226 is an abundant number, since it is smaller than the sum of its proper divisors (392618214).

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

298643226 is a wasteful number, since it uses less digits than its factorization.

298643226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90098.

The product of its digits is 248832, while the sum is 42.

The square root of 298643226 is about 17281.2969999361. The cubic root of 298643226 is about 668.4222368464.

The spelling of 298643226 in words is "two hundred ninety-eight million, six hundred forty-three thousand, two hundred twenty-six".