428712198 has 8 divisors (see below), whose sum is σ = 857424408. Its totient is φ = 142904064.

The previous prime is 428712197. The next prime is 428712217. The reversal of 428712198 is 891217824.

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

428712198 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428712197) 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, 35726011 + ... + 35726022.

It is an arithmetic number, because the mean of its divisors is an integer number (107178051).

Almost surely, 2^428712198 is an apocalyptic number.

428712198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428712198 is a wasteful number, since it uses less digits than its factorization.

428712198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71452038.

The product of its digits is 64512, while the sum is 42.

The square root of 428712198 is about 20705.3664058379. The cubic root of 428712198 is about 754.0299797877.

The spelling of 428712198 in words is "four hundred twenty-eight million, seven hundred twelve thousand, one hundred ninety-eight".