2008457 has 4 divisors (see below), whose sum is σ = 2191056. Its totient is φ = 1825860.

The previous prime is 2008441. The next prime is 2008469. The reversal of 2008457 is 7548002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2008457 - 2⁴ = 2008441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2008427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91283 + ... + 91304.

It is an arithmetic number, because the mean of its divisors is an integer number (547764).

2^2008457 is an apocalyptic number.

It is an amenable number.

2008457 is a deficient number, since it is larger than the sum of its proper divisors (182599).

2008457 is a wasteful number, since it uses less digits than its factorization.

2008457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182598.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 2008457 is about 1417.2004092576. The cubic root of 2008457 is about 126.1694411405.

The spelling of 2008457 in words is "two million, eight thousand, four hundred fifty-seven".