86728342 has 8 divisors (see below), whose sum is σ = 130161600. Its totient is φ = 43341144.

The previous prime is 86728337. The next prime is 86728361. The reversal of 86728342 is 24382768.

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 = 86728295 and 86728304.

It is a congruent number.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6342 + ... + 14617.

It is an arithmetic number, because the mean of its divisors is an integer number (16270200).

Almost surely, 2^86728342 is an apocalyptic number.

86728342 is a deficient number, since it is larger than the sum of its proper divisors (43433258).

86728342 is a wasteful number, since it uses less digits than its factorization.

86728342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23030.

The product of its digits is 129024, while the sum is 40.

The square root of 86728342 is about 9312.8052701643. The cubic root of 86728342 is about 442.6430822472.

The spelling of 86728342 in words is "eighty-six million, seven hundred twenty-eight thousand, three hundred forty-two".