8487494 has 4 divisors (see below), whose sum is σ = 12731244. Its totient is φ = 4243746.

The previous prime is 8487421. The next prime is 8487527. The reversal of 8487494 is 4947848.

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

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 as a sum of consecutive naturals, namely, 2121872 + ... + 2121875.

It is an arithmetic number, because the mean of its divisors is an integer number (3182811).

Almost surely, 2^8487494 is an apocalyptic number.

8487494 is a deficient number, since it is larger than the sum of its proper divisors (4243750).

8487494 is a wasteful number, since it uses less digits than its factorization.

8487494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4243749.

The product of its digits is 258048, while the sum is 44.

The square root of 8487494 is about 2913.3303966423. The cubic root of 8487494 is about 203.9826173834.

It can be divided in two parts, 84 and 87494, that added together give a palindrome (87578).

The spelling of 8487494 in words is "eight million, four hundred eighty-seven thousand, four hundred ninety-four".