86005830 has 32 divisors (see below), whose sum is σ = 206797824. Its totient is φ = 22892256.

The previous prime is 86005819. The next prime is 86005831. The reversal of 86005830 is 3850068.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86005831) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15849 + ... + 20571.

It is an arithmetic number, because the mean of its divisors is an integer number (6462432).

Almost surely, 2^86005830 is an apocalyptic number.

86005830 is an abundant number, since it is smaller than the sum of its proper divisors (120791994).

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

86005830 is a wasteful number, since it uses less digits than its factorization.

86005830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5340.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 86005830 is about 9273.9328227026. The cubic root of 86005830 is about 441.4104703014.

Adding to 86005830 its reverse (3850068), we get a palindrome (89855898).

The spelling of 86005830 in words is "eighty-six million, five thousand, eight hundred thirty".