4957820 has 36 divisors (see below), whose sum is σ = 12113640. Its totient is φ = 1699488.

The previous prime is 4957819. The next prime is 4957837. The reversal of 4957820 is 287594.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1550 + ... + 3509.

It is an arithmetic number, because the mean of its divisors is an integer number (336490).

Almost surely, 2^4957820 is an apocalyptic number.

It is an amenable number.

4957820 is an abundant number, since it is smaller than the sum of its proper divisors (7155820).

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

4957820 is a wasteful number, since it uses less digits than its factorization.

4957820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5082 (or 5073 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 4957820 is about 2226.6162668947. The cubic root of 4957820 is about 170.5153909218.

The spelling of 4957820 in words is "four million, nine hundred fifty-seven thousand, eight hundred twenty".