8407487 has 4 divisors (see below), whose sum is σ = 9171816. Its totient is φ = 7643160.

The previous prime is 8407471. The next prime is 8407513. The reversal of 8407487 is 7847048.

8407487 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 8407487 - 2⁴ = 8407471 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8407487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8407387) 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, 382148 + ... + 382169.

It is an arithmetic number, because the mean of its divisors is an integer number (2292954).

Almost surely, 2^8407487 is an apocalyptic number.

8407487 is a deficient number, since it is larger than the sum of its proper divisors (764329).

8407487 is a wasteful number, since it uses less digits than its factorization.

8407487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764328.

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

The square root of 8407487 is about 2899.5666917662. The cubic root of 8407487 is about 203.3396483452.

The spelling of 8407487 in words is "eight million, four hundred seven thousand, four hundred eighty-seven".