8047040 has 28 divisors (see below), whose sum is σ = 19162776. Its totient is φ = 3218688.

The previous prime is 8047037. The next prime is 8047057. The reversal of 8047040 is 407408.

It is a junction number, because it is equal to n+sod(n) for n = 8046997 and 8047015.

It is a congruent number.

It is an unprimeable number.

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, 12254 + ... + 12893.

Almost surely, 2^8047040 is an apocalyptic number.

8047040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8047040 is an abundant number, since it is smaller than the sum of its proper divisors (11115736).

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

8047040 is a wasteful number, since it uses less digits than its factorization.

8047040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25164 (or 25154 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 8047040 is about 2836.7305124033. The cubic root of 8047040 is about 200.3912341800.

The spelling of 8047040 in words is "eight million, forty-seven thousand, forty".