85949598 has 16 divisors (see below), whose sum is σ = 196456320. Its totient is φ = 24557016.

The previous prime is 85949587. The next prime is 85949599. The reversal of 85949598 is 89594958.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85949599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1023168 + ... + 1023251.

It is an arithmetic number, because the mean of its divisors is an integer number (12278520).

Almost surely, 2^85949598 is an apocalyptic number.

85949598 is an abundant number, since it is smaller than the sum of its proper divisors (110506722).

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

85949598 is a wasteful number, since it uses less digits than its factorization.

85949598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046431.

The product of its digits is 4665600, while the sum is 57.

The square root of 85949598 is about 9270.9006035013. The cubic root of 85949598 is about 441.3142488976.

The spelling of 85949598 in words is "eighty-five million, nine hundred forty-nine thousand, five hundred ninety-eight".