86619 has 8 divisors (see below), whose sum is σ = 124432. Its totient is φ = 53280.

The previous prime is 86599. The next prime is 86627. The reversal of 86619 is 91668.

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

It is not a de Polignac number, because 86619 - 2⁵ = 86587 is a prime.

It is a super-2 number, since 2×86619² = 15005702322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1072 + ... + 1149.

It is an arithmetic number, because the mean of its divisors is an integer number (15554).

2⁸⁶⁶¹⁹ is an apocalyptic number.

86619 is a deficient number, since it is larger than the sum of its proper divisors (37813).

86619 is a wasteful number, since it uses less digits than its factorization.

86619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237.

The product of its digits is 2592, while the sum is 30.

The square root of 86619 is about 294.3110599349. The cubic root of 86619 is about 44.2456984551.

The spelling of 86619 in words is "eighty-six thousand, six hundred nineteen".