298540423 has 4 divisors (see below), whose sum is σ = 300544200. Its totient is φ = 296536648.

The previous prime is 298540421. The next prime is 298540441. The reversal of 298540423 is 324045892.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 298540423 - 2¹ = 298540421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (298540421) 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, 1001665 + ... + 1001962.

It is an arithmetic number, because the mean of its divisors is an integer number (75136050).

Almost surely, 2^298540423 is an apocalyptic number.

298540423 is a deficient number, since it is larger than the sum of its proper divisors (2003777).

298540423 is a wasteful number, since it uses less digits than its factorization.

298540423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003776.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 298540423 is about 17278.3223433295. The cubic root of 298540423 is about 668.3455302709.

The spelling of 298540423 in words is "two hundred ninety-eight million, five hundred forty thousand, four hundred twenty-three".