8487407 has 4 divisors (see below), whose sum is σ = 8499720. Its totient is φ = 8475096.

The previous prime is 8487389. The next prime is 8487419. The reversal of 8487407 is 7047848.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8487407 - 2¹² = 8483311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8487907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5057 + ... + 6522.

It is an arithmetic number, because the mean of its divisors is an integer number (2124930).

Almost surely, 2^8487407 is an apocalyptic number.

8487407 is a deficient number, since it is larger than the sum of its proper divisors (12313).

8487407 is a wasteful number, since it uses less digits than its factorization.

8487407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12312.

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 8487407 is about 2913.3154652389. The cubic root of 8487407 is about 203.9819204149.

The spelling of 8487407 in words is "eight million, four hundred eighty-seven thousand, four hundred seven".