86091242 has 16 divisors (see below), whose sum is σ = 136231200. Its totient is φ = 40690800.

The previous prime is 86091241. The next prime is 86091259. The reversal of 86091242 is 24219068.

It is a junction number, because it is equal to n+sod(n) for n = 86091199 and 86091208.

It is not an unprimeable number, because it can be changed into a prime (86091241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17117 + ... + 21567.

It is an arithmetic number, because the mean of its divisors is an integer number (8514450).

Almost surely, 2^86091242 is an apocalyptic number.

86091242 is a deficient number, since it is larger than the sum of its proper divisors (50139958).

86091242 is a wasteful number, since it uses less digits than its factorization.

86091242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4981.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 86091242 is about 9278.5366303098. The cubic root of 86091242 is about 441.5565428699.

The spelling of 86091242 in words is "eighty-six million, ninety-one thousand, two hundred forty-two".