85593904 has 20 divisors (see below), whose sum is σ = 180914760. Its totient is φ = 38906240.

The previous prime is 85593899. The next prime is 85593953. The reversal of 85593904 is 40939558.

It is a happy number.

It is a super-2 number, since 2×85593904² = 14652632803922432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242989 + ... + 243340.

It is an arithmetic number, because the mean of its divisors is an integer number (9045738).

Almost surely, 2^85593904 is an apocalyptic number.

It is an amenable number.

85593904 is an abundant number, since it is smaller than the sum of its proper divisors (95320856).

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

85593904 is a wasteful number, since it uses less digits than its factorization.

85593904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486348 (or 486342 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 43.

The square root of 85593904 is about 9251.6973577825. The cubic root of 85593904 is about 440.7046285611.

The spelling of 85593904 in words is "eighty-five million, five hundred ninety-three thousand, nine hundred four".