8004940 has 12 divisors (see below), whose sum is σ = 16810416. Its totient is φ = 3201968.

The previous prime is 8004917. The next prime is 8004949. The reversal of 8004940 is 494008.

It is not an unprimeable number, because it can be changed into a prime (8004949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200104 + ... + 200143.

It is an arithmetic number, because the mean of its divisors is an integer number (1400868).

Almost surely, 2^8004940 is an apocalyptic number.

It is an amenable number.

8004940 is an abundant number, since it is smaller than the sum of its proper divisors (8805476).

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

8004940 is a wasteful number, since it uses less digits than its factorization.

8004940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400256 (or 400254 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8004940 is about 2829.3002668504. The cubic root of 8004940 is about 200.0411581961.

Adding to 8004940 its reverse (494008), we get a palindrome (8498948).

It can be divided in two parts, 80049 and 40, that added together give a square (80089 = 283²).

The spelling of 8004940 in words is "eight million, four thousand, nine hundred forty".