3805457 has 4 divisors (see below), whose sum is σ = 3894000. Its totient is φ = 3716916.

The previous prime is 3805393. The next prime is 3805463. The reversal of 3805457 is 7545083.

It is a happy number.

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 3805457 - 2⁶ = 3805393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3805057) 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, 44207 + ... + 44292.

It is an arithmetic number, because the mean of its divisors is an integer number (973500).

Almost surely, 2^3805457 is an apocalyptic number.

It is an amenable number.

3805457 is a deficient number, since it is larger than the sum of its proper divisors (88543).

3805457 is an equidigital number, since it uses as much as digits as its factorization.

3805457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88542.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 3805457 is about 1950.7580577816. The cubic root of 3805457 is about 156.1237375707.

The spelling of 3805457 in words is "three million, eight hundred five thousand, four hundred fifty-seven".