85670394 has 8 divisors (see below), whose sum is σ = 171340800. Its totient is φ = 28556796.

The previous prime is 85670393. The next prime is 85670401. The reversal of 85670394 is 49307658.

It is a happy number.

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

85670394 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (85670393) 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, 7139194 + ... + 7139205.

It is an arithmetic number, because the mean of its divisors is an integer number (21417600).

Almost surely, 2^85670394 is an apocalyptic number.

85670394 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.

85670394 is a wasteful number, since it uses less digits than its factorization.

85670394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14278404.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 85670394 is about 9255.8302706997. The cubic root of 85670394 is about 440.8358663365.

The spelling of 85670394 in words is "eighty-five million, six hundred seventy thousand, three hundred ninety-four".