86449623 has 8 divisors (see below), whose sum is σ = 124132848. Its totient is φ = 53199744.

The previous prime is 86449619. The next prime is 86449673. The reversal of 86449623 is 32694468.

It is a happy number.

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

It is not a de Polignac number, because 86449623 - 2² = 86449619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86449673) 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, 1108290 + ... + 1108367.

It is an arithmetic number, because the mean of its divisors is an integer number (15516606).

Almost surely, 2^86449623 is an apocalyptic number.

86449623 is a deficient number, since it is larger than the sum of its proper divisors (37683225).

86449623 is a wasteful number, since it uses less digits than its factorization.

86449623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216673.

The product of its digits is 248832, while the sum is 42.

The square root of 86449623 is about 9297.8289401344. The cubic root of 86449623 is about 442.1683991458.

The spelling of 86449623 in words is "eighty-six million, four hundred forty-nine thousand, six hundred twenty-three".