4420813 has 2 divisors, whose sum is σ = 4420814. Its totient is φ = 4420812.

The previous prime is 4420777. The next prime is 4420831. The reversal of 4420813 is 3180244.

Together with next prime (4420831) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2748964 + 1671849 = 1658^2 + 1293^2 .

It is a cyclic number.

It is not a de Polignac number, because 4420813 - 2¹⁷ = 4289741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4420513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210406 + 2210407.

It is an arithmetic number, because the mean of its divisors is an integer number (2210407).

Almost surely, 2^4420813 is an apocalyptic number.

It is an amenable number.

4420813 is a deficient number, since it is larger than the sum of its proper divisors (1).

4420813 is an equidigital number, since it uses as much as digits as its factorization.

4420813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 4420813 is about 2102.5729476049. The cubic root of 4420813 is about 164.1222195230.

The spelling of 4420813 in words is "four million, four hundred twenty thousand, eight hundred thirteen".