8440036 has 24 divisors (see below), whose sum is σ = 16186464. Its totient is φ = 3818880.

The previous prime is 8440031. The next prime is 8440037. The reversal of 8440036 is 6300448.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8440031) 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, 18831 + ... + 19273.

It is an arithmetic number, because the mean of its divisors is an integer number (674436).

Almost surely, 2^8440036 is an apocalyptic number.

It is an amenable number.

8440036 is a deficient number, since it is larger than the sum of its proper divisors (7746428).

8440036 is a wasteful number, since it uses less digits than its factorization.

8440036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 891 (or 889 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 8440036 is about 2905.1740051157. The cubic root of 8440036 is about 203.6017155365.

It can be divided in two parts, 8 and 440036, that added together give a palindrome (440044).

The spelling of 8440036 in words is "eight million, four hundred forty thousand, thirty-six".