4001449 has 8 divisors (see below), whose sum is σ = 4273920. Its totient is φ = 3738000.

The previous prime is 4001411. The next prime is 4001453. The reversal of 4001449 is 9441004.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4001449 - 2⁹ = 4000937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4001549) 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, 1327 + ... + 3124.

It is an arithmetic number, because the mean of its divisors is an integer number (534240).

Almost surely, 2^4001449 is an apocalyptic number.

It is an amenable number.

4001449 is a deficient number, since it is larger than the sum of its proper divisors (272471).

4001449 is a wasteful number, since it uses less digits than its factorization.

4001449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4511.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 4001449 is about 2000.3622171997. The cubic root of 4001449 is about 158.7592707505.

It can be divided in two parts, 400 and 1449, that added together give a square (1849 = 43²).

The spelling of 4001449 in words is "four million, one thousand, four hundred forty-nine".