806457 has 4 divisors (see below), whose sum is σ = 1075280. Its totient is φ = 537636.

The previous prime is 806453. The next prime is 806467. The reversal of 806457 is 754608.

It is a happy number.

806457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 806457 - 2² = 806453 is a prime.

It is a D-number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 806457.

It is not an unprimeable number, because it can be changed into a prime (806453) 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, 134407 + ... + 134412.

It is an arithmetic number, because the mean of its divisors is an integer number (268820).

2⁸⁰⁶⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

806457 is a deficient number, since it is larger than the sum of its proper divisors (268823).

806457 is a wasteful number, since it uses less digits than its factorization.

806457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268822.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 806457 is about 898.0295095374. The cubic root of 806457 is about 93.0808638802.

The spelling of 806457 in words is "eight hundred six thousand, four hundred fifty-seven".