4787538 has 16 divisors (see below), whose sum is σ = 10943040. Its totient is φ = 1367856.

The previous prime is 4787537. The next prime is 4787551. The reversal of 4787538 is 8357874.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 113989 = 4787538 / (4 + 7 + 8 + 7 + 5 + 3 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4787538.

It is not an unprimeable number, because it can be changed into a prime (4787533) 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, 56953 + ... + 57036.

It is an arithmetic number, because the mean of its divisors is an integer number (683940).

Almost surely, 2^4787538 is an apocalyptic number.

4787538 is an abundant number, since it is smaller than the sum of its proper divisors (6155502).

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

4787538 is a wasteful number, since it uses less digits than its factorization.

4787538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114001.

The product of its digits is 188160, while the sum is 42.

The square root of 4787538 is about 2188.0443322748. The cubic root of 4787538 is about 168.5404224036.

The spelling of 4787538 in words is "four million, seven hundred eighty-seven thousand, five hundred thirty-eight".