8487438 has 8 divisors (see below), whose sum is σ = 16974888. Its totient is φ = 2829144.

The previous prime is 8487421. The next prime is 8487527. The reversal of 8487438 is 8347848.

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

8487438 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8487438.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 707281 + ... + 707292.

It is an arithmetic number, because the mean of its divisors is an integer number (2121861).

Almost surely, 2^8487438 is an apocalyptic number.

8487438 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8487438 is a wasteful number, since it uses less digits than its factorization.

8487438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1414578.

The product of its digits is 172032, while the sum is 42.

The square root of 8487438 is about 2913.3207856328. The cubic root of 8487438 is about 203.9821687606.

The spelling of 8487438 in words is "eight million, four hundred eighty-seven thousand, four hundred thirty-eight".