86134944 has 72 divisors (see below), whose sum is σ = 263033568. Its totient is φ = 24608640.

The previous prime is 86134943. The next prime is 86134949. The reversal of 86134944 is 44943168.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (86134943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4452 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (3653244).

Almost surely, 2^86134944 is an apocalyptic number.

86134944 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86134944 is an abundant number, since it is smaller than the sum of its proper divisors (176898624).

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

86134944 is a wasteful number, since it uses less digits than its factorization.

86134944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18338 (or 18323 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 86134944 is about 9280.8913365043. The cubic root of 86134944 is about 441.6312451637.

It can be divided in two parts, 86134 and 944, that added together give a palindrome (87078).

The spelling of 86134944 in words is "eighty-six million, one hundred thirty-four thousand, nine hundred forty-four".