4820638 has 8 divisors (see below), whose sum is σ = 7247160. Its totient is φ = 2404920.

The previous prime is 4820633. The next prime is 4820653. The reversal of 4820638 is 8360284.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (4820633) 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, 1473 + ... + 3436.

It is an arithmetic number, because the mean of its divisors is an integer number (905895).

Almost surely, 2^4820638 is an apocalyptic number.

4820638 is a deficient number, since it is larger than the sum of its proper divisors (2426522).

4820638 is a wasteful number, since it uses less digits than its factorization.

4820638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5402.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 4820638 is about 2195.5951357206. The cubic root of 4820638 is about 168.9279479977.

The spelling of 4820638 in words is "four million, eight hundred twenty thousand, six hundred thirty-eight".