4887138 has 16 divisors (see below), whose sum is σ = 10111680. Its totient is φ = 1572816.

The previous prime is 4887073. The next prime is 4887139. The reversal of 4887138 is 8317884.

It is a junction number, because it is equal to n+sod(n) for n = 4887096 and 4887105.

It is not an unprimeable number, because it can be changed into a prime (4887139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13870 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (631980).

Almost surely, 2^4887138 is an apocalyptic number.

4887138 is an abundant number, since it is smaller than the sum of its proper divisors (5224542).

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

4887138 is a wasteful number, since it uses less digits than its factorization.

4887138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28121.

The product of its digits is 43008, while the sum is 39.

The square root of 4887138 is about 2210.6872234669. The cubic root of 4887138 is about 169.7011820956.

It can be divided in two parts, 488 and 7138, that added together give a triangular number (7626 = T₁₂₃).

The spelling of 4887138 in words is "four million, eight hundred eighty-seven thousand, one hundred thirty-eight".