86034820 has 24 divisors (see below), whose sum is σ = 181087704. Its totient is φ = 34334976.

The previous prime is 86034811. The next prime is 86034853. The reversal of 86034820 is 2843068.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 52649536 + 33385284 = 7256^2 + 5778^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4434 + ... + 13846.

It is an arithmetic number, because the mean of its divisors is an integer number (7545321).

Almost surely, 2^86034820 is an apocalyptic number.

It is an amenable number.

86034820 is an abundant number, since it is smaller than the sum of its proper divisors (95052884).

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

86034820 is a wasteful number, since it uses less digits than its factorization.

86034820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9879 (or 9877 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 86034820 is about 9275.4956740866. The cubic root of 86034820 is about 441.4600601646.

Adding to 86034820 its reverse (2843068), we get a palindrome (88877888).

The spelling of 86034820 in words is "eighty-six million, thirty-four thousand, eight hundred twenty".