86729394 has 8 divisors (see below), whose sum is σ = 173458800. Its totient is φ = 28909796.

The previous prime is 86729387. The next prime is 86729431. The reversal of 86729394 is 49392768.

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

86729394 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7227444 + ... + 7227455.

It is an arithmetic number, because the mean of its divisors is an integer number (21682350).

Almost surely, 2^86729394 is an apocalyptic number.

86729394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86729394 is a wasteful number, since it uses less digits than its factorization.

86729394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14454904.

The product of its digits is 653184, while the sum is 48.

The square root of 86729394 is about 9312.8617513630. The cubic root of 86729394 is about 442.6448719683.

The spelling of 86729394 in words is "eighty-six million, seven hundred twenty-nine thousand, three hundred ninety-four".