4821345 has 24 divisors (see below), whose sum is σ = 8798400. Its totient is φ = 2435616.

The previous prime is 4821331. The next prime is 4821373. The reversal of 4821345 is 5431284.

It is not a de Polignac number, because 4821345 - 2⁶ = 4821281 is a prime.

It is a d-powerful number, because it can be written as 4⁶ + 8⁷ + 2¹⁹ + 1 + 3¹¹ + 4⁸ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1965 + ... + 3674.

It is an arithmetic number, because the mean of its divisors is an integer number (366600).

Almost surely, 2^4821345 is an apocalyptic number.

4821345 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4821345 is a deficient number, since it is larger than the sum of its proper divisors (3977055).

4821345 is a wasteful number, since it uses less digits than its factorization.

4821345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5669 (or 5666 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 4821345 is about 2195.7561340003. The cubic root of 4821345 is about 168.9362059794.

The spelling of 4821345 in words is "four million, eight hundred twenty-one thousand, three hundred forty-five".