8147040 has 96 divisors (see below), whose sum is σ = 28014336. Its totient is φ = 1973760.

The previous prime is 8147039. The next prime is 8147047. The reversal of 8147040 is 407418.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 8147040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8147047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4509 + ... + 6051.

It is an arithmetic number, because the mean of its divisors is an integer number (291816).

Almost surely, 2^8147040 is an apocalyptic number.

8147040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8147040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14007168).

8147040 is an abundant number, since it is smaller than the sum of its proper divisors (19867296).

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

8147040 is a wasteful number, since it uses less digits than its factorization.

8147040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572 (or 1564 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 8147040 is about 2854.3020162555. The cubic root of 8147040 is about 201.2179018546.

The spelling of 8147040 in words is "eight million, one hundred forty-seven thousand, forty".