86419 has 4 divisors (see below), whose sum is σ = 87480. Its totient is φ = 85360.

The previous prime is 86413. The next prime is 86423. The reversal of 86419 is 91468.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86419 - 2⁷ = 86291 is a prime.

It is a super-2 number, since 2×86419² = 14936487122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86413) 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, 397 + ... + 574.

It is an arithmetic number, because the mean of its divisors is an integer number (21870).

2⁸⁶⁴¹⁹ is an apocalyptic number.

86419 is a gapful number since it is divisible by the number (89) formed by its first and last digit.

86419 is a deficient number, since it is larger than the sum of its proper divisors (1061).

86419 is an equidigital number, since it uses as much as digits as its factorization.

86419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060.

The product of its digits is 1728, while the sum is 28.

The square root of 86419 is about 293.9710870137. The cubic root of 86419 is about 44.2116183294.

It can be divided in two parts, 86 and 419, that added together give a palindrome (505).

The spelling of 86419 in words is "eighty-six thousand, four hundred nineteen".