85338520 has 16 divisors (see below), whose sum is σ = 192011760. Its totient is φ = 34135392.

The previous prime is 85338499. The next prime is 85338529. The reversal of 85338520 is 2583358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85338529) by changing a digit.

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, 1066692 + ... + 1066771.

It is an arithmetic number, because the mean of its divisors is an integer number (12000735).

Almost surely, 2^85338520 is an apocalyptic number.

It is an amenable number.

85338520 is an abundant number, since it is smaller than the sum of its proper divisors (106673240).

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

85338520 is a wasteful number, since it uses less digits than its factorization.

85338520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133474 (or 2133470 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 85338520 is about 9237.8850393367. The cubic root of 85338520 is about 440.2658861282.

It can be divided in two parts, 85338 and 520, that added together give a palindrome (85858).

The spelling of 85338520 in words is "eighty-five million, three hundred thirty-eight thousand, five hundred twenty".