8340487 has 8 divisors (see below), whose sum is σ = 9082800. Its totient is φ = 7628544.

The previous prime is 8340473. The next prime is 8340509. The reversal of 8340487 is 7840438.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8340487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8340187) 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, 7018 + ... + 8119.

It is an arithmetic number, because the mean of its divisors is an integer number (1135350).

Almost surely, 2^8340487 is an apocalyptic number.

8340487 is a deficient number, since it is larger than the sum of its proper divisors (742313).

8340487 is a wasteful number, since it uses less digits than its factorization.

8340487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15185.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 8340487 is about 2887.9901315621. The cubic root of 8340487 is about 202.7980633209.

The spelling of 8340487 in words is "eight million, three hundred forty thousand, four hundred eighty-seven".