86807449 has 4 divisors (see below), whose sum is σ = 88654464. Its totient is φ = 84960436.

The previous prime is 86807437. The next prime is 86807489. The reversal of 86807449 is 94470868.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 86807449 - 2¹⁷ = 86676377 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86807399 and 86807408.

It is not an unprimeable number, because it can be changed into a prime (86807489) 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 3 ways as a sum of consecutive naturals, for example, 923437 + ... + 923530.

It is an arithmetic number, because the mean of its divisors is an integer number (22163616).

Almost surely, 2^86807449 is an apocalyptic number.

It is an amenable number.

86807449 is a deficient number, since it is larger than the sum of its proper divisors (1847015).

86807449 is a wasteful number, since it uses less digits than its factorization.

86807449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847014.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 86807449 is about 9317.0515185868. The cubic root of 86807449 is about 442.7776231386. Note that the first 3 decimals are identical.

It can be divided in two parts, 8680 and 7449, that added together give a square (16129 = 127²).

The spelling of 86807449 in words is "eighty-six million, eight hundred seven thousand, four hundred forty-nine".