85643046 has 48 divisors (see below), whose sum is σ = 189204288. Its totient is φ = 27993600.

The previous prime is 85643027. The next prime is 85643069. The reversal of 85643046 is 64034658.

85643046 is a `hidden beast` number, since 8 + 5 + 643 + 0 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 85643046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 315891 + ... + 316161.

It is an arithmetic number, because the mean of its divisors is an integer number (3941756).

Almost surely, 2^85643046 is an apocalyptic number.

85643046 is an abundant number, since it is smaller than the sum of its proper divisors (103561242).

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

85643046 is a wasteful number, since it uses less digits than its factorization.

85643046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 85643046 is about 9254.3528136764. The cubic root of 85643046 is about 440.7889529600.

The spelling of 85643046 in words is "eighty-five million, six hundred forty-three thousand, forty-six".