85347684 has 36 divisors (see below), whose sum is σ = 228432204. Its totient is φ = 26775552.

The previous prime is 85347673. The next prime is 85347719. The reversal of 85347684 is 48674358.

It can be written as a sum of positive squares in 2 ways, for example, as 40832100 + 44515584 = 6390^2 + 6672^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69117 + ... + 70340.

It is an arithmetic number, because the mean of its divisors is an integer number (6345339).

Almost surely, 2^85347684 is an apocalyptic number.

It is an amenable number.

85347684 is an abundant number, since it is smaller than the sum of its proper divisors (143084520).

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

85347684 is a wasteful number, since it uses less digits than its factorization.

85347684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139484 (or 139479 counting only the distinct ones).

The product of its digits is 645120, while the sum is 45.

The square root of 85347684 is about 9238.3810269982. The cubic root of 85347684 is about 440.2816447491.

The spelling of 85347684 in words is "eighty-five million, three hundred forty-seven thousand, six hundred eighty-four".