298400867 has 4 divisors (see below), whose sum is σ = 298740456. Its totient is φ = 298061280.

The previous prime is 298400857. The next prime is 298400887. The reversal of 298400867 is 768004892.

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 298400867 - 2¹⁴ = 298384483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (298400857) 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, 168473 + ... + 170234.

It is an arithmetic number, because the mean of its divisors is an integer number (74685114).

Almost surely, 2^298400867 is an apocalyptic number.

298400867 is a deficient number, since it is larger than the sum of its proper divisors (339589).

298400867 is an equidigital number, since it uses as much as digits as its factorization.

298400867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339588.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 298400867 is about 17274.2834004771. The cubic root of 298400867 is about 668.2413722195.

The spelling of 298400867 in words is "two hundred ninety-eight million, four hundred thousand, eight hundred sixty-seven".