4820445 has 32 divisors (see below), whose sum is σ = 9795840. Its totient is φ = 2203200.

The previous prime is 4820443. The next prime is 4820447. The reversal of 4820445 is 5440284.

It is an interprime number because it is at equal distance from previous prime (4820443) and next prime (4820447).

It is not a de Polignac number, because 4820445 - 2¹ = 4820443 is a prime.

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

4820445 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4820441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1606 + ... + 3495.

It is an arithmetic number, because the mean of its divisors is an integer number (306120).

Almost surely, 2^4820445 is an apocalyptic number.

4820445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4820445 is an abundant number, since it is smaller than the sum of its proper divisors (4975395).

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

4820445 is a wasteful number, since it uses less digits than its factorization.

4820445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5116 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 4820445 is about 2195.5511836439. The cubic root of 4820445 is about 168.9256935569.

The spelling of 4820445 in words is "four million, eight hundred twenty thousand, four hundred forty-five".