86440995 has 12 divisors (see below), whose sum is σ = 149831136. Its totient is φ = 46101840.

The previous prime is 86440993. The next prime is 86441063. The reversal of 86440995 is 59904468.

It is a happy number.

It is not a de Polignac number, because 86440995 - 2¹ = 86440993 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1920911 = 86440995 / (8 + 6 + 4 + 4 + 0 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 86440995.

It is not an unprimeable number, because it can be changed into a prime (86440993) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 960411 + ... + 960500.

It is an arithmetic number, because the mean of its divisors is an integer number (12485928).

Almost surely, 2^86440995 is an apocalyptic number.

86440995 is a deficient number, since it is larger than the sum of its proper divisors (63390141).

86440995 is a wasteful number, since it uses less digits than its factorization.

86440995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920922 (or 1920919 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 86440995 is about 9297.3649492746. The cubic root of 86440995 is about 442.1536886291.

The spelling of 86440995 in words is "eighty-six million, four hundred forty thousand, nine hundred ninety-five".