86220249 has 8 divisors (see below), whose sum is σ = 118067520. Its totient is φ = 55926576.

The previous prime is 86220247. The next prime is 86220287. The reversal of 86220249 is 94202268.

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

It is not a de Polignac number, because 86220249 - 2¹ = 86220247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86220247) 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, 388269 + ... + 388490.

It is an arithmetic number, because the mean of its divisors is an integer number (14758440).

Almost surely, 2^86220249 is an apocalyptic number.

It is an amenable number.

86220249 is a deficient number, since it is larger than the sum of its proper divisors (31847271).

86220249 is a wasteful number, since it uses less digits than its factorization.

86220249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776799.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 86220249 is about 9285.4859323570. The cubic root of 86220249 is about 441.7769890460.

The spelling of 86220249 in words is "eighty-six million, two hundred twenty thousand, two hundred forty-nine".