86622449 has 8 divisors (see below), whose sum is σ = 89713920. Its totient is φ = 83538000.

The previous prime is 86622433. The next prime is 86622451. The reversal of 86622449 is 94422668.

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

It is a cyclic number.

It is not a de Polignac number, because 86622449 - 2⁴ = 86622433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86622479) 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, 43424 + ... + 45374.

It is an arithmetic number, because the mean of its divisors is an integer number (11214240).

Almost surely, 2^86622449 is an apocalyptic number.

It is an amenable number.

86622449 is a deficient number, since it is larger than the sum of its proper divisors (3091471).

86622449 is a wasteful number, since it uses less digits than its factorization.

86622449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3511.

The product of its digits is 165888, while the sum is 41.

The square root of 86622449 is about 9307.1181898588. The cubic root of 86622449 is about 442.4628570651.

It can be divided in two parts, 8662 and 2449, that added together give a palindrome (11111).

The spelling of 86622449 in words is "eighty-six million, six hundred twenty-two thousand, four hundred forty-nine".