297398427 has 8 divisors (see below), whose sum is σ = 399558720. Its totient is φ = 196751880.

The previous prime is 297398419. The next prime is 297398429. The reversal of 297398427 is 724893792.

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

It is not a de Polignac number, because 297398427 - 2³ = 297398419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 297398427.

It is not an unprimeable number, because it can be changed into a prime (297398429) 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, 377977 + ... + 378762.

It is an arithmetic number, because the mean of its divisors is an integer number (49944840).

Almost surely, 2^297398427 is an apocalyptic number.

297398427 is a deficient number, since it is larger than the sum of its proper divisors (102160293).

297398427 is a wasteful number, since it uses less digits than its factorization.

297398427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756873.

The product of its digits is 1524096, while the sum is 51.

The square root of 297398427 is about 17245.2436051220. The cubic root of 297398427 is about 667.4922419107.

The spelling of 297398427 in words is "two hundred ninety-seven million, three hundred ninety-eight thousand, four hundred twenty-seven".