4057447 has 4 divisors (see below), whose sum is σ = 4064680. Its totient is φ = 4050216.

The previous prime is 4057423. The next prime is 4057451. The reversal of 4057447 is 7447504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4057447 - 2¹¹ = 4055399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4057147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2697 + ... + 3922.

It is an arithmetic number, because the mean of its divisors is an integer number (1016170).

Almost surely, 2^4057447 is an apocalyptic number.

4057447 is a deficient number, since it is larger than the sum of its proper divisors (7233).

4057447 is an equidigital number, since it uses as much as digits as its factorization.

4057447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 4057447 is about 2014.3105520252. The cubic root of 4057447 is about 159.4964245488.

The spelling of 4057447 in words is "four million, fifty-seven thousand, four hundred forty-seven".