4313820 has 48 divisors (see below), whose sum is σ = 13805568. Its totient is φ = 985920.

The previous prime is 4313819. The next prime is 4313831. The reversal of 4313820 is 283134.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4716 + ... + 5555.

It is an arithmetic number, because the mean of its divisors is an integer number (287616).

Almost surely, 2^4313820 is an apocalyptic number.

It is an amenable number.

4313820 is an abundant number, since it is smaller than the sum of its proper divisors (9491748).

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

4313820 is a wasteful number, since it uses less digits than its factorization.

4313820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10290 (or 10288 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 4313820 is about 2076.9737600654. The cubic root of 4313820 is about 162.7873574287.

Adding to 4313820 its reverse (283134), we get a palindrome (4596954).

The spelling of 4313820 in words is "four million, three hundred thirteen thousand, eight hundred twenty".