8187340 has 24 divisors (see below), whose sum is σ = 19649952. Its totient is φ = 2807040.

The previous prime is 8187337. The next prime is 8187349. The reversal of 8187340 is 437818.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (8187349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29101 + ... + 29380.

It is an arithmetic number, because the mean of its divisors is an integer number (818748).

Almost surely, 2^8187340 is an apocalyptic number.

It is an amenable number.

8187340 is an abundant number, since it is smaller than the sum of its proper divisors (11462612).

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

8187340 is a wasteful number, since it uses less digits than its factorization.

8187340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58497 (or 58495 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 8187340 is about 2861.3528268985. The cubic root of 8187340 is about 201.5491365657.

The spelling of 8187340 in words is "eight million, one hundred eighty-seven thousand, three hundred forty".