4429861 has 2 divisors, whose sum is σ = 4429862. Its totient is φ = 4429860.

The previous prime is 4429853. The next prime is 4429871. The reversal of 4429861 is 1689244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2788900 + 1640961 = 1670^2 + 1281^2 .

It is a cyclic number.

It is not a de Polignac number, because 4429861 - 2³ = 4429853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4429801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2214930 + 2214931.

It is an arithmetic number, because the mean of its divisors is an integer number (2214931).

Almost surely, 2^4429861 is an apocalyptic number.

It is an amenable number.

4429861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4429861 is an equidigital number, since it uses as much as digits as its factorization.

4429861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 34.

The square root of 4429861 is about 2104.7234972794. The cubic root of 4429861 is about 164.2341119057.

The spelling of 4429861 in words is "four million, four hundred twenty-nine thousand, eight hundred sixty-one".