4821538 has 8 divisors (see below), whose sum is σ = 7304220. Its totient is φ = 2386800.

The previous prime is 4821529. The next prime is 4821541. The reversal of 4821538 is 8351284.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 889249 = 1983^2 + 943^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11733 + ... + 12136.

Almost surely, 2^4821538 is an apocalyptic number.

4821538 is a deficient number, since it is larger than the sum of its proper divisors (2482682).

4821538 is a wasteful number, since it uses less digits than its factorization.

4821538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23972.

The product of its digits is 7680, while the sum is 31.

The square root of 4821538 is about 2195.8000819747. The cubic root of 4821538 is about 168.9384601397.

The spelling of 4821538 in words is "four million, eight hundred twenty-one thousand, five hundred thirty-eight".