469857 has 4 divisors (see below), whose sum is σ = 626480. Its totient is φ = 313236.

The previous prime is 469849. The next prime is 469877. The reversal of 469857 is 758964.

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 469857 - 2³ = 469849 is a prime.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (469877) 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, 78307 + ... + 78312.

It is an arithmetic number, because the mean of its divisors is an integer number (156620).

2⁴⁶⁹⁸⁵⁷ is an apocalyptic number.

It is an amenable number.

469857 is a deficient number, since it is larger than the sum of its proper divisors (156623).

469857 is a wasteful number, since it uses less digits than its factorization.

469857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156622.

The product of its digits is 60480, while the sum is 39.

The square root of 469857 is about 685.4611586370. The cubic root of 469857 is about 77.7419149101.

It can be divided in two parts, 469 and 857, that added together give a triangular number (1326 = T₅₁).

The spelling of 469857 in words is "four hundred sixty-nine thousand, eight hundred fifty-seven".