4987540 has 12 divisors (see below), whose sum is σ = 10473876. Its totient is φ = 1995008.

The previous prime is 4987531. The next prime is 4987561. The reversal of 4987540 is 457894.

It can be written as a sum of positive squares in 2 ways, for example, as 2566404 + 2421136 = 1602^2 + 1556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4987540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124669 + ... + 124708.

It is an arithmetic number, because the mean of its divisors is an integer number (872823).

Almost surely, 2^4987540 is an apocalyptic number.

It is an amenable number.

4987540 is an abundant number, since it is smaller than the sum of its proper divisors (5486336).

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

4987540 is a wasteful number, since it uses less digits than its factorization.

4987540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249386 (or 249384 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 4987540 is about 2233.2800988680. The cubic root of 4987540 is about 170.8554345125.

The spelling of 4987540 in words is "four million, nine hundred eighty-seven thousand, five hundred forty".