2004457 has 8 divisors (see below), whose sum is σ = 2467136. Its totient is φ = 1585872.

The previous prime is 2004433. The next prime is 2004461. The reversal of 2004457 is 7544002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2004457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2004757) 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 7 ways as a sum of consecutive naturals, for example, 10923 + ... + 11104.

It is an arithmetic number, because the mean of its divisors is an integer number (308392).

2^2004457 is an apocalyptic number.

It is an amenable number.

2004457 is a deficient number, since it is larger than the sum of its proper divisors (462679).

2004457 is a wasteful number, since it uses less digits than its factorization.

2004457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22047.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 2004457 is about 1415.7884729012. The cubic root of 2004457 is about 126.0856266881.

Adding to 2004457 its reverse (7544002), we get a palindrome (9548459).

The spelling of 2004457 in words is "two million, four thousand, four hundred fifty-seven".