4821816 has 16 divisors (see below), whose sum is σ = 12054600. Its totient is φ = 1607264.

The previous prime is 4821799. The next prime is 4821821. The reversal of 4821816 is 6181284.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 100431 + ... + 100478.

Almost surely, 2^4821816 is an apocalyptic number.

It is an amenable number.

4821816 is an abundant number, since it is smaller than the sum of its proper divisors (7232784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4821816 is a wasteful number, since it uses less digits than its factorization.

4821816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200918 (or 200914 counting only the distinct ones).

The product of its digits is 3072, while the sum is 30.

The square root of 4821816 is about 2195.8633837286. The cubic root of 4821816 is about 168.9417069590.

The spelling of 4821816 in words is "four million, eight hundred twenty-one thousand, eight hundred sixteen".