298426997 has 4 divisors (see below), whose sum is σ = 325556736. Its totient is φ = 271297260.

The previous prime is 298426991. The next prime is 298427029. The reversal of 298426997 is 799624892.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 298426997 - 2⁴ = 298426981 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 (298426991) 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, 13564853 + ... + 13564874.

It is an arithmetic number, because the mean of its divisors is an integer number (81389184).

Almost surely, 2^298426997 is an apocalyptic number.

It is an amenable number.

298426997 is a deficient number, since it is larger than the sum of its proper divisors (27129739).

298426997 is a wasteful number, since it uses less digits than its factorization.

298426997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27129738.

The product of its digits is 3919104, while the sum is 56.

The square root of 298426997 is about 17275.0397105188. The cubic root of 298426997 is about 668.2608768963.

The spelling of 298426997 in words is "two hundred ninety-eight million, four hundred twenty-six thousand, nine hundred ninety-seven".