298624381 has 4 divisors (see below), whose sum is σ = 325772064. Its totient is φ = 271476700.

The previous prime is 298624343. The next prime is 298624393. The reversal of 298624381 is 183426892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 298624381 - 2¹¹ = 298622333 is a prime.

It is a super-2 number, since 2×298624381² = 178353041855266322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298624301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13573825 + ... + 13573846.

It is an arithmetic number, because the mean of its divisors is an integer number (81443016).

Almost surely, 2^298624381 is an apocalyptic number.

It is an amenable number.

298624381 is a deficient number, since it is larger than the sum of its proper divisors (27147683).

298624381 is a wasteful number, since it uses less digits than its factorization.

298624381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27147682.

The product of its digits is 165888, while the sum is 43.

The square root of 298624381 is about 17280.7517486943. The cubic root of 298624381 is about 668.4081769460.

It can be divided in two parts, 29862 and 4381, that added together give a palindrome (34243).

The spelling of 298624381 in words is "two hundred ninety-eight million, six hundred twenty-four thousand, three hundred eighty-one".