298427407 has 4 divisors (see below), whose sum is σ = 298541320. Its totient is φ = 298313496.

The previous prime is 298427399. The next prime is 298427419. The reversal of 298427407 is 704724892.

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 298427407 - 2³ = 298427399 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 (298424407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52932 + ... + 58297.

It is an arithmetic number, because the mean of its divisors is an integer number (74635330).

Almost surely, 2^298427407 is an apocalyptic number.

298427407 is a deficient number, since it is larger than the sum of its proper divisors (113913).

298427407 is a wasteful number, since it uses less digits than its factorization.

298427407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113912.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 298427407 is about 17275.0515773470. The cubic root of 298427407 is about 668.2611829307.

It can be divided in two parts, 29842 and 7407, that added together give a square (37249 = 193²).

The spelling of 298427407 in words is "two hundred ninety-eight million, four hundred twenty-seven thousand, four hundred seven".