86586242 has 4 divisors (see below), whose sum is σ = 129879366. Its totient is φ = 43293120.

The previous prime is 86586233. The next prime is 86586251. The reversal of 86586242 is 24268568.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86586233) and next prime (86586251).

It can be written as a sum of positive squares in only one way, i.e., 49266361 + 37319881 = 7019^2 + 6109^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86586242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21646559 + ... + 21646562.

Almost surely, 2^86586242 is an apocalyptic number.

86586242 is a deficient number, since it is larger than the sum of its proper divisors (43293124).

86586242 is a wasteful number, since it uses less digits than its factorization.

86586242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43293123.

The product of its digits is 184320, while the sum is 41.

The square root of 86586242 is about 9305.1728624459. The cubic root of 86586242 is about 442.4012006645.

The spelling of 86586242 in words is "eighty-six million, five hundred eighty-six thousand, two hundred forty-two".