4788487 has 4 divisors (see below), whose sum is σ = 5223816. Its totient is φ = 4353160.

The previous prime is 4788481. The next prime is 4788491. The reversal of 4788487 is 7848874.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4788487 - 2¹⁹ = 4264199 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4788481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217648 + ... + 217669.

It is an arithmetic number, because the mean of its divisors is an integer number (1305954).

Almost surely, 2^4788487 is an apocalyptic number.

4788487 is a deficient number, since it is larger than the sum of its proper divisors (435329).

4788487 is a wasteful number, since it uses less digits than its factorization.

4788487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435328.

The product of its digits is 401408, while the sum is 46.

The square root of 4788487 is about 2188.2611818519. The cubic root of 4788487 is about 168.5515578622.

The spelling of 4788487 in words is "four million, seven hundred eighty-eight thousand, four hundred eighty-seven".