8140680 has 48 divisors (see below), whose sum is σ = 26458380. Its totient is φ = 2170752.

The previous prime is 8140669. The next prime is 8140681. The reversal of 8140680 is 860418.

It can be written as a sum of positive squares in 2 ways, for example, as 8054244 + 86436 = 2838^2 + 294^2 .

It is not an unprimeable number, because it can be changed into a prime (8140681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10947 + ... + 11666.

Almost surely, 2^8140680 is an apocalyptic number.

It is an amenable number.

8140680 is an abundant number, since it is smaller than the sum of its proper divisors (18317700).

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

8140680 is a wasteful number, since it uses less digits than its factorization.

8140680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22630 (or 22623 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8140680 is about 2853.1876909870. The cubic root of 8140680 is about 201.1655278630.

The spelling of 8140680 in words is "eight million, one hundred forty thousand, six hundred eighty".