85438672 has 20 divisors (see below), whose sum is σ = 180586656. Its totient is φ = 38835680.

The previous prime is 85438663. The next prime is 85438673. The reversal of 85438672 is 27683458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85438673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242548 + ... + 242899.

Almost surely, 2^85438672 is an apocalyptic number.

It is an amenable number.

85438672 is an abundant number, since it is smaller than the sum of its proper divisors (95147984).

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

85438672 is a wasteful number, since it uses less digits than its factorization.

85438672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485466 (or 485460 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 85438672 is about 9243.3041711284. The cubic root of 85438672 is about 440.4380485979.

It can be divided in two parts, 854386 and 72, that added together give a palindrome (854458).

The spelling of 85438672 in words is "eighty-five million, four hundred thirty-eight thousand, six hundred seventy-two".