4687438 has 16 divisors (see below), whose sum is σ = 8200800. Its totient is φ = 2008608.

The previous prime is 4687421. The next prime is 4687439. The reversal of 4687438 is 8347864.

It is a self number, because there is not a number n which added to its sum of digits gives 4687438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4687439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2731 + ... + 4102.

It is an arithmetic number, because the mean of its divisors is an integer number (512550).

Almost surely, 2^4687438 is an apocalyptic number.

4687438 is a deficient number, since it is larger than the sum of its proper divisors (3513362).

4687438 is an equidigital number, since it uses as much as digits as its factorization.

4687438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6856 (or 6842 counting only the distinct ones).

The product of its digits is 129024, while the sum is 40.

The square root of 4687438 is about 2165.0491911271. The cubic root of 4687438 is about 167.3574996534.

The spelling of 4687438 in words is "four million, six hundred eighty-seven thousand, four hundred thirty-eight".