298195381 has 8 divisors (see below), whose sum is σ = 330818400. Its totient is φ = 266491440.

The previous prime is 298195379. The next prime is 298195439. The reversal of 298195381 is 183591892.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 298195381 - 2¹ = 298195379 is a prime.

It is a super-2 number, since 2×298195381² = 177840970499470322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298190381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229086 + ... + 230383.

It is an arithmetic number, because the mean of its divisors is an integer number (41352300).

Almost surely, 2^298195381 is an apocalyptic number.

It is an amenable number.

298195381 is a deficient number, since it is larger than the sum of its proper divisors (32623019).

298195381 is a wasteful number, since it uses less digits than its factorization.

298195381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459539.

The product of its digits is 155520, while the sum is 46.

The square root of 298195381 is about 17268.3346330791. The cubic root of 298195381 is about 668.0879479803.

The spelling of 298195381 in words is "two hundred ninety-eight million, one hundred ninety-five thousand, three hundred eighty-one".