4420971 has 6 divisors (see below), whose sum is σ = 6385860. Its totient is φ = 2947308.

The previous prime is 4420903. The next prime is 4420987. The reversal of 4420971 is 1790244.

It is a happy number.

It is not a de Polignac number, because 4420971 - 2¹⁸ = 4158827 is a prime.

4420971 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4421971) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 245601 + ... + 245618.

It is an arithmetic number, because the mean of its divisors is an integer number (1064310).

Almost surely, 2^4420971 is an apocalyptic number.

4420971 is a deficient number, since it is larger than the sum of its proper divisors (1964889).

4420971 is a wasteful number, since it uses less digits than its factorization.

4420971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491225 (or 491222 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 4420971 is about 2102.6105202819. The cubic root of 4420971 is about 164.1241747442.

The spelling of 4420971 in words is "four million, four hundred twenty thousand, nine hundred seventy-one".