4821957 has 32 divisors (see below), whose sum is σ = 8437760. Its totient is φ = 2663280.

The previous prime is 4821937. The next prime is 4821997. The reversal of 4821957 is 7591284.

It is not a de Polignac number, because 4821957 - 2¹¹ = 4819909 is a prime.

It is a Duffinian number.

4821957 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4821907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5448 + ... + 6270.

It is an arithmetic number, because the mean of its divisors is an integer number (263680).

Almost surely, 2^4821957 is an apocalyptic number.

It is an amenable number.

4821957 is a deficient number, since it is larger than the sum of its proper divisors (3615803).

4821957 is a wasteful number, since it uses less digits than its factorization.

4821957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 864 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4821957 is about 2195.8954893164. The cubic root of 4821957 is about 168.9433536795.

It can be divided in two parts, 4821 and 957, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 4821957 in words is "four million, eight hundred twenty-one thousand, nine hundred fifty-seven".