86347042 has 8 divisors (see below), whose sum is σ = 130192236. Its totient is φ = 42949632.

The previous prime is 86347013. The next prime is 86347043. The reversal of 86347042 is 24074368.

It can be written as a sum of positive squares in 2 ways, for example, as 85026841 + 1320201 = 9221^2 + 1149^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 86346989 and 86347007.

It is not an unprimeable number, because it can be changed into a prime (86347043) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 111463 + ... + 112234.

Almost surely, 2^86347042 is an apocalyptic number.

86347042 is a deficient number, since it is larger than the sum of its proper divisors (43845194).

86347042 is a wasteful number, since it uses less digits than its factorization.

86347042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223892.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 86347042 is about 9292.3109074116. The cubic root of 86347042 is about 441.9934377929.

The spelling of 86347042 in words is "eighty-six million, three hundred forty-seven thousand, forty-two".