86649834 has 8 divisors (see below), whose sum is σ = 173299680. Its totient is φ = 28883276.

The previous prime is 86649803. The next prime is 86649839. The reversal of 86649834 is 43894668.

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

86649834 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (86649839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7220814 + ... + 7220825.

It is an arithmetic number, because the mean of its divisors is an integer number (21662460).

Almost surely, 2^86649834 is an apocalyptic number.

86649834 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.

86649834 is a wasteful number, since it uses less digits than its factorization.

86649834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14441644.

The product of its digits is 995328, while the sum is 48.

The square root of 86649834 is about 9308.5892593883. The cubic root of 86649834 is about 442.5094791930.

The spelling of 86649834 in words is "eighty-six million, six hundred forty-nine thousand, eight hundred thirty-four".