8404487 has 8 divisors (see below), whose sum is σ = 10344096. Its totient is φ = 6649632.

The previous prime is 8404469. The next prime is 8404489. The reversal of 8404487 is 7844048.

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

It is a cyclic number.

It is not a de Polignac number, because 8404487 - 2²⁰ = 7355911 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8404489) 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, 46088 + ... + 46269.

It is an arithmetic number, because the mean of its divisors is an integer number (1293012).

Almost surely, 2^8404487 is an apocalyptic number.

8404487 is a deficient number, since it is larger than the sum of its proper divisors (1939609).

8404487 is a wasteful number, since it uses less digits than its factorization.

8404487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92377.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 8404487 is about 2899.0493269346. The cubic root of 8404487 is about 203.3154599238.

The spelling of 8404487 in words is "eight million, four hundred four thousand, four hundred eighty-seven".