8987420 has 36 divisors (see below), whose sum is σ = 20444760. Its totient is φ = 3317184.

The previous prime is 8987417. The next prime is 8987443. The reversal of 8987420 is 247898.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2051 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (567910).

Almost surely, 2^8987420 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 8987420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10222380).

8987420 is an abundant number, since it is smaller than the sum of its proper divisors (11457340).

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

8987420 is a wasteful number, since it uses less digits than its factorization.

8987420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2679 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 8987420 is about 2997.9026001523. The cubic root of 8987420 is about 207.9114206161.

The spelling of 8987420 in words is "eight million, nine hundred eighty-seven thousand, four hundred twenty".