86229449 has 4 divisors (see below), whose sum is σ = 86389380. Its totient is φ = 86069520.

The previous prime is 86229439. The next prime is 86229487. The reversal of 86229449 is 94492268.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 59521225 + 26708224 = 7715^2 + 5168^2 .

It is a cyclic number.

It is not a de Polignac number, because 86229449 - 2⁸ = 86229193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86229419) 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, 79154 + ... + 80235.

It is an arithmetic number, because the mean of its divisors is an integer number (21597345).

Almost surely, 2^86229449 is an apocalyptic number.

It is an amenable number.

86229449 is a deficient number, since it is larger than the sum of its proper divisors (159931).

86229449 is a wasteful number, since it uses less digits than its factorization.

86229449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159930.

The product of its digits is 248832, while the sum is 44.

The square root of 86229449 is about 9285.9813159407. The cubic root of 86229449 is about 441.7927015335.

The spelling of 86229449 in words is "eighty-six million, two hundred twenty-nine thousand, four hundred forty-nine".