3820313 has 4 divisors (see below), whose sum is σ = 4366080. Its totient is φ = 3274548.

The previous prime is 3820303. The next prime is 3820319. The reversal of 3820313 is 3130283.

3820313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3820313 - 2⁸ = 3820057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3820319) 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 3 ways as a sum of consecutive naturals, for example, 272873 + ... + 272886.

It is an arithmetic number, because the mean of its divisors is an integer number (1091520).

Almost surely, 2^3820313 is an apocalyptic number.

It is an amenable number.

3820313 is a deficient number, since it is larger than the sum of its proper divisors (545767).

3820313 is an equidigital number, since it uses as much as digits as its factorization.

3820313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545766.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3820313 is about 1954.5620992949. The cubic root of 3820313 is about 156.3266358996.

Adding to 3820313 its reverse (3130283), we get a palindrome (6950596).

The spelling of 3820313 in words is "three million, eight hundred twenty thousand, three hundred thirteen".