428658298 has 8 divisors (see below), whose sum is σ = 680810292. Its totient is φ = 201721536.

The previous prime is 428658289. The next prime is 428658299. The reversal of 428658298 is 892856824.

It can be written as a sum of positive squares in 2 ways, for example, as 385847449 + 42810849 = 19643^2 + 6543^2 .

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

It is not an unprimeable number, because it can be changed into a prime (428658299) 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, 6303765 + ... + 6303832.

Almost surely, 2^428658298 is an apocalyptic number.

428658298 is a deficient number, since it is larger than the sum of its proper divisors (252151994).

428658298 is a wasteful number, since it uses less digits than its factorization.

428658298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12607616.

The product of its digits is 2211840, while the sum is 52.

The square root of 428658298 is about 20704.0647699914. The cubic root of 428658298 is about 753.9983782304.

The spelling of 428658298 in words is "four hundred twenty-eight million, six hundred fifty-eight thousand, two hundred ninety-eight".