85704198 has 8 divisors (see below), whose sum is σ = 171408408. Its totient is φ = 28568064.

The previous prime is 85704197. The next prime is 85704209. The reversal of 85704198 is 89140758.

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

85704198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85704197) 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, 7142011 + ... + 7142022.

It is an arithmetic number, because the mean of its divisors is an integer number (21426051).

Almost surely, 2^85704198 is an apocalyptic number.

85704198 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.

85704198 is a wasteful number, since it uses less digits than its factorization.

85704198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14284038.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 85704198 is about 9257.6561828575. The cubic root of 85704198 is about 440.8938406858.

The spelling of 85704198 in words is "eighty-five million, seven hundred four thousand, one hundred ninety-eight".