85449600 has 384 divisors, whose sum is σ = 333907200. Its totient is φ = 21288960.

The previous prime is 85449587. The next prime is 85449649. The reversal of 85449600 is 694458.

85449600 is a `hidden beast` number, since 8 + 5 + 4 + 49 + 600 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-4 number, since 4×85449600⁴ (a number of 33 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 47 ways as a sum of consecutive naturals, for example, 1987179 + ... + 1987221.

It is an arithmetic number, because the mean of its divisors is an integer number (869550).

Almost surely, 2^85449600 is an apocalyptic number.

85449600 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 85449600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166953600).

85449600 is an abundant number, since it is smaller than the sum of its proper divisors (248457600).

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

85449600 is a wasteful number, since it uses less digits than its factorization.

85449600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 85449600 is about 9243.8952828340. The cubic root of 85449600 is about 440.4568258163.

The spelling of 85449600 in words is "eighty-five million, four hundred forty-nine thousand, six hundred".