85601838 has 16 divisors (see below), whose sum is σ = 195661440. Its totient is φ = 24457656.

The previous prime is 85601827. The next prime is 85601921. The reversal of 85601838 is 83810658.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 85601796 and 85601805.

It is a congruent number.

It is an unprimeable number.

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, 1019028 + ... + 1019111.

It is an arithmetic number, because the mean of its divisors is an integer number (12228840).

Almost surely, 2^85601838 is an apocalyptic number.

85601838 is an abundant number, since it is smaller than the sum of its proper divisors (110059602).

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

85601838 is a wasteful number, since it uses less digits than its factorization.

85601838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038151.

The product of its (nonzero) digits is 46080, while the sum is 39.

The square root of 85601838 is about 9252.1261340300. The cubic root of 85601838 is about 440.7182449611.

The spelling of 85601838 in words is "eighty-five million, six hundred one thousand, eight hundred thirty-eight".