85606434 has 24 divisors (see below), whose sum is σ = 191877660. Its totient is φ = 27551328.

The previous prime is 85606429. The next prime is 85606447. The reversal of 85606434 is 43460658.

85606434 is a `hidden beast` number, since 8 + 5 + 6 + 0 + 643 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 82355625 + 3250809 = 9075^2 + 1803^2 .

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, 81477 + ... + 82520.

Almost surely, 2^85606434 is an apocalyptic number.

85606434 is an abundant number, since it is smaller than the sum of its proper divisors (106271226).

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

85606434 is a wasteful number, since it uses less digits than its factorization.

85606434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164034 (or 164031 counting only the distinct ones).

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

The square root of 85606434 is about 9252.3745060390. The cubic root of 85606434 is about 440.7261322715.

The spelling of 85606434 in words is "eighty-five million, six hundred six thousand, four hundred thirty-four".