86642006 has 8 divisors (see below), whose sum is σ = 141777864. Its totient is φ = 39382720.

The previous prime is 86641991. The next prime is 86642011. The reversal of 86642006 is 60024668.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1969115 + ... + 1969158.

It is an arithmetic number, because the mean of its divisors is an integer number (17722233).

Almost surely, 2^86642006 is an apocalyptic number.

86642006 is a deficient number, since it is larger than the sum of its proper divisors (55135858).

86642006 is a wasteful number, since it uses less digits than its factorization.

86642006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3938286.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 86642006 is about 9308.1687780143. The cubic root of 86642006 is about 442.4961532644.

The spelling of 86642006 in words is "eighty-six million, six hundred forty-two thousand, six".