8940015 has 48 divisors (see below), whose sum is σ = 17948736. Its totient is φ = 4032000.

The previous prime is 8940007. The next prime is 8940017. The reversal of 8940015 is 5100498.

It is not a de Polignac number, because 8940015 - 2³ = 8940007 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8940017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31675 + ... + 31955.

It is an arithmetic number, because the mean of its divisors is an integer number (373932).

Almost surely, 2^8940015 is an apocalyptic number.

8940015 is an abundant number, since it is smaller than the sum of its proper divisors (9008721).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8940015 is a wasteful number, since it uses less digits than its factorization.

8940015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8940015 is about 2989.9857859194. The cubic root of 8940015 is about 207.5452265089.

It can be divided in two parts, 89 and 40015, that added together give a palindrome (40104).

The spelling of 8940015 in words is "eight million, nine hundred forty thousand, fifteen".