85604443 has 8 divisors (see below), whose sum is σ = 92206400. Its totient is φ = 79212168.

The previous prime is 85604429. The next prime is 85604447. The reversal of 85604443 is 34440658.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-85604443 is a prime.

It is a super-2 number, since 2×85604443² = 14656241322680498, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 85604399 and 85604408.

It is not an unprimeable number, because it can be changed into a prime (85604447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51573 + ... + 53206.

It is an arithmetic number, because the mean of its divisors is an integer number (11525800).

Almost surely, 2^85604443 is an apocalyptic number.

85604443 is a deficient number, since it is larger than the sum of its proper divisors (6601957).

85604443 is a wasteful number, since it uses less digits than its factorization.

85604443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104841.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 85604443 is about 9252.2669114115. The cubic root of 85604443 is about 440.7227155013.

The spelling of 85604443 in words is "eighty-five million, six hundred four thousand, four hundred forty-three".