4758638 has 8 divisors (see below), whose sum is σ = 7304088. Its totient is φ = 2323944.

The previous prime is 4758629. The next prime is 4758643. The reversal of 4758638 is 8368574.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4758595 and 4758604.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27581 + ... + 27752.

It is an arithmetic number, because the mean of its divisors is an integer number (913011).

Almost surely, 2^4758638 is an apocalyptic number.

4758638 is a deficient number, since it is larger than the sum of its proper divisors (2545450).

4758638 is a wasteful number, since it uses less digits than its factorization.

4758638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55378.

The product of its digits is 161280, while the sum is 41.

The square root of 4758638 is about 2181.4302647575. The cubic root of 4758638 is about 168.2006059804.

It can be divided in two parts, 47 and 58638, that added together give a palindrome (58685).

The spelling of 4758638 in words is "four million, seven hundred fifty-eight thousand, six hundred thirty-eight".