86309120 has 36 divisors (see below), whose sum is σ = 206740380. Its totient is φ = 34523136.

The previous prime is 86309071. The next prime is 86309129. The reversal of 86309120 is 2190368.

It can be written as a sum of positive squares in 2 ways, for example, as 10549504 + 75759616 = 3248^2 + 8704^2 .

It is not an unprimeable number, because it can be changed into a prime (86309129) 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, 32435 + ... + 34994.

Almost surely, 2^86309120 is an apocalyptic number.

86309120 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86309120 is an abundant number, since it is smaller than the sum of its proper divisors (120431260).

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

86309120 is an equidigital number, since it uses as much as digits as its factorization.

86309120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67450 (or 67436 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 86309120 is about 9290.2701790637. The cubic root of 86309120 is about 441.9287232444.

Adding to 86309120 its reverse (2190368), we get a palindrome (88499488).

The spelling of 86309120 in words is "eighty-six million, three hundred nine thousand, one hundred twenty".