8487424 has 60 divisors (see below), whose sum is σ = 18776142. Its totient is φ = 3829760.

The previous prime is 8487421. The next prime is 8487527. The reversal of 8487424 is 4247848.

8487424 = T₉₉ + T₁₀₀ + ... + T₃₇₂.

It can be written as a sum of positive squares in only one way, i.e., 6969600 + 1517824 = 2640^2 + 1232^2 .

It is not an unprimeable number, because it can be changed into a prime (8487421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61884 + ... + 62020.

Almost surely, 2^8487424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8487424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9388071).

8487424 is an abundant number, since it is smaller than the sum of its proper divisors (10288718).

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

8487424 is a wasteful number, since it uses less digits than its factorization.

8487424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 150 counting only the distinct ones).

The product of its digits is 57344, while the sum is 37.

The square root of 8487424 is about 2913.3183828754. The cubic root of 8487424 is about 203.9820566045.

It can be divided in two parts, 8487 and 424, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 8487424 in words is "eight million, four hundred eighty-seven thousand, four hundred twenty-four".