85609546 has 8 divisors (see below), whose sum is σ = 140088384. Its totient is φ = 38913420.

The previous prime is 85609541. The next prime is 85609547. The reversal of 85609546 is 64590658.

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

It is a super-2 number, since 2×85609546² = 14657988732652232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (85609541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1945650 + ... + 1945693.

It is an arithmetic number, because the mean of its divisors is an integer number (17511048).

Almost surely, 2^85609546 is an apocalyptic number.

85609546 is a deficient number, since it is larger than the sum of its proper divisors (54478838).

85609546 is a wasteful number, since it uses less digits than its factorization.

85609546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3891356.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 85609546 is about 9252.5426775563. The cubic root of 85609546 is about 440.7314726921.

The spelling of 85609546 in words is "eighty-five million, six hundred nine thousand, five hundred forty-six".