298238538 has 32 divisors (see below), whose sum is σ = 663086592. Its totient is φ = 88804800.

The previous prime is 298238503. The next prime is 298238543. The reversal of 298238538 is 835832892.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59253 + ... + 64088.

It is an arithmetic number, because the mean of its divisors is an integer number (20721456).

Almost surely, 2^298238538 is an apocalyptic number.

298238538 is an abundant number, since it is smaller than the sum of its proper divisors (364848054).

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

298238538 is a wasteful number, since it uses less digits than its factorization.

298238538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123390.

The product of its digits is 829440, while the sum is 48.

The square root of 298238538 is about 17269.5841872351. The cubic root of 298238538 is about 668.1201766046.

The spelling of 298238538 in words is "two hundred ninety-eight million, two hundred thirty-eight thousand, five hundred thirty-eight".