8004140 has 12 divisors (see below), whose sum is σ = 16808736. Its totient is φ = 3201648.

The previous prime is 8004133. The next prime is 8004151. The reversal of 8004140 is 414008.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200084 + ... + 200123.

It is an arithmetic number, because the mean of its divisors is an integer number (1400728).

Almost surely, 2^8004140 is an apocalyptic number.

It is an amenable number.

8004140 is an abundant number, since it is smaller than the sum of its proper divisors (8804596).

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

8004140 is a wasteful number, since it uses less digits than its factorization.

8004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400216 (or 400214 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 8004140 is about 2829.1588856054. The cubic root of 8004140 is about 200.0344940505.

Adding to 8004140 its reverse (414008), we get a palindrome (8418148).

The spelling of 8004140 in words is "eight million, four thousand, one hundred forty".