4473891 has 12 divisors (see below), whose sum is σ = 6743568. Its totient is φ = 2852784.

The previous prime is 4473881. The next prime is 4473901. The reversal of 4473891 is 1983744.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4473881) and next prime (4473901).

It is not a de Polignac number, because 4473891 - 2¹⁴ = 4457507 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4473811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10600 + ... + 11013.

It is an arithmetic number, because the mean of its divisors is an integer number (561964).

Almost surely, 2^4473891 is an apocalyptic number.

4473891 is a deficient number, since it is larger than the sum of its proper divisors (2269677).

4473891 is a wasteful number, since it uses less digits than its factorization.

4473891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21642 (or 21639 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 4473891 is about 2115.1574409485. The cubic root of 4473891 is about 164.7764465624.

The spelling of 4473891 in words is "four million, four hundred seventy-three thousand, eight hundred ninety-one".