4821633 has 16 divisors (see below), whose sum is σ = 7311040. Its totient is φ = 3138912.

The previous prime is 4821631. The next prime is 4821637. The reversal of 4821633 is 3361284.

It is a happy number.

4821633 is a `hidden beast` number, since 4 + 8 + 21 + 633 = 666.

It is not a de Polignac number, because 4821633 - 2¹ = 4821631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 4⁷ + 8³ + 2¹¹ + 1 + 6² + 3⁹ + 3¹⁴ .

It is a Duffinian number.

4821633 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4821597 and 4821606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916 + ... + 3237.

It is an arithmetic number, because the mean of its divisors is an integer number (456940).

Almost surely, 2^4821633 is an apocalyptic number.

4821633 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

4821633 is a deficient number, since it is larger than the sum of its proper divisors (2489407).

4821633 is a wasteful number, since it uses less digits than its factorization.

4821633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205 (or 4199 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 4821633 is about 2195.8217140743. The cubic root of 4821633 is about 168.9395696783.

The spelling of 4821633 in words is "four million, eight hundred twenty-one thousand, six hundred thirty-three".