4782638 has 8 divisors (see below), whose sum is σ = 8198832. Its totient is φ = 2049696.

The previous prime is 4782637. The next prime is 4782641. The reversal of 4782638 is 8362874.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4782637) 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, 170795 + ... + 170822.

It is an arithmetic number, because the mean of its divisors is an integer number (1024854).

Almost surely, 2^4782638 is an apocalyptic number.

4782638 is a deficient number, since it is larger than the sum of its proper divisors (3416194).

4782638 is a wasteful number, since it uses less digits than its factorization.

4782638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341626.

The product of its digits is 64512, while the sum is 38.

The square root of 4782638 is about 2186.9243242508. The cubic root of 4782638 is about 168.4829029312.

The spelling of 4782638 in words is "four million, seven hundred eighty-two thousand, six hundred thirty-eight".