86849419 has 4 divisors (see below), whose sum is σ = 87304320. Its totient is φ = 86394520.

The previous prime is 86849407. The next prime is 86849429. The reversal of 86849419 is 91494868.

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 86849419 - 2⁵ = 86849387 is a prime.

It is a super-2 number, since 2×86849419² = 15085643161275122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86849429) 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, 227164 + ... + 227545.

It is an arithmetic number, because the mean of its divisors is an integer number (21826080).

Almost surely, 2^86849419 is an apocalyptic number.

86849419 is a deficient number, since it is larger than the sum of its proper divisors (454901).

86849419 is a wasteful number, since it uses less digits than its factorization.

86849419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454900.

The product of its digits is 497664, while the sum is 49.

The square root of 86849419 is about 9319.3035684004. The cubic root of 86849419 is about 442.8489702520.

The spelling of 86849419 in words is "eighty-six million, eight hundred forty-nine thousand, four hundred nineteen".