85839600 has 240 divisors, whose sum is σ = 343192320. Its totient is φ = 17817600.

The previous prime is 85839581. The next prime is 85839617. The reversal of 85839600 is 693858.

It is a tau number, because it is divible by the number of its divisors (240).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 91936 + ... + 92864.

It is an arithmetic number, because the mean of its divisors is an integer number (1429968).

Almost surely, 2^85839600 is an apocalyptic number.

85839600 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85839600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171596160).

85839600 is an abundant number, since it is smaller than the sum of its proper divisors (257352720).

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

85839600 is a wasteful number, since it uses less digits than its factorization.

85839600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 85839600 is about 9264.9662708506. The cubic root of 85839600 is about 441.1259043744.

The spelling of 85839600 in words is "eighty-five million, eight hundred thirty-nine thousand, six hundred".