469999 has 4 divisors (see below), whose sum is σ = 497664. Its totient is φ = 442336.

The previous prime is 469993. The next prime is 470021. The reversal of 469999 is 999964.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 469999 - 2⁹ = 469487 is a prime.

It is a Duffinian number.

469999 is a modest number, since divided by 999 gives 469 as remainder.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469993) 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, 13807 + ... + 13840.

It is an arithmetic number, because the mean of its divisors is an integer number (124416).

2⁴⁶⁹⁹⁹⁹ is an apocalyptic number.

469999 is a deficient number, since it is larger than the sum of its proper divisors (27665).

469999 is a wasteful number, since it uses less digits than its factorization.

469999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27664.

The product of its digits is 157464, while the sum is 46.

The square root of 469999 is about 685.5647307148. The cubic root of 469999 is about 77.7497458317.

It can be divided in two parts, 46 and 9999, that multiplied together give a palindrome (459954).

The spelling of 469999 in words is "four hundred sixty-nine thousand, nine hundred ninety-nine".