8345040 has 160 divisors (see below), whose sum is σ = 29462400. Its totient is φ = 1935360.

The previous prime is 8345039. The next prime is 8345041. The reversal of 8345040 is 405438.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8345039) and next prime (8345041).

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 8345040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8345041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76506 + ... + 76614.

It is an arithmetic number, because the mean of its divisors is an integer number (184140).

Almost surely, 2^8345040 is an apocalyptic number.

8345040 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 8345040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14731200).

8345040 is an abundant number, since it is smaller than the sum of its proper divisors (21117360).

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

8345040 is a wasteful number, since it uses less digits than its factorization.

8345040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 159 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 8345040 is about 2888.7782884811. The cubic root of 8345040 is about 202.8349585134.

The spelling of 8345040 in words is "eight million, three hundred forty-five thousand, forty".