4057449 has 8 divisors (see below), whose sum is σ = 5901792. Its totient is φ = 2459040.

The previous prime is 4057423. The next prime is 4057451. The reversal of 4057449 is 9447504.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4057449 - 2⁷ = 4057321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 122953 = 4057449 / (4 + 0 + 5 + 7 + 4 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (4057409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61444 + ... + 61509.

It is an arithmetic number, because the mean of its divisors is an integer number (737724).

Almost surely, 2^4057449 is an apocalyptic number.

It is an amenable number.

4057449 is a deficient number, since it is larger than the sum of its proper divisors (1844343).

4057449 is a wasteful number, since it uses less digits than its factorization.

4057449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122967.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 4057449 is about 2014.3110484729. The cubic root of 4057449 is about 159.4964507552.

The spelling of 4057449 in words is "four million, fifty-seven thousand, four hundred forty-nine".