86849619 has 8 divisors (see below), whose sum is σ = 118929360. Its totient is φ = 56334816.

The previous prime is 86849599. The next prime is 86849641. The reversal of 86849619 is 91694868.

It is a happy number.

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

It is not a de Polignac number, because 86849619 - 2⁷ = 86849491 is a prime.

It is a super-2 number, since 2×86849619² = 15085712640890322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (86849689) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 391104 + ... + 391325.

It is an arithmetic number, because the mean of its divisors is an integer number (14866170).

Almost surely, 2^86849619 is an apocalyptic number.

86849619 is a deficient number, since it is larger than the sum of its proper divisors (32079741).

86849619 is a wasteful number, since it uses less digits than its factorization.

86849619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782469.

The product of its digits is 746496, while the sum is 51.

The square root of 86849619 is about 9319.3142988098. The cubic root of 86849619 is about 442.8493101880.

The spelling of 86849619 in words is "eighty-six million, eight hundred forty-nine thousand, six hundred nineteen".