499420 has 12 divisors (see below), whose sum is σ = 1048824. Its totient is φ = 199760.

The previous prime is 499403. The next prime is 499423. The reversal of 499420 is 24994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12466 + ... + 12505.

It is an arithmetic number, because the mean of its divisors is an integer number (87402).

2⁴⁹⁹⁴²⁰ is an apocalyptic number.

It is an amenable number.

499420 is an abundant number, since it is smaller than the sum of its proper divisors (549404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499420 is a wasteful number, since it uses less digits than its factorization.

499420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24980 (or 24978 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 499420 is about 706.6965402491. The cubic root of 499420 is about 79.3393509704.

It can be divided in two parts, 499 and 420, that added together give a palindrome (919).

The spelling of 499420 in words is "four hundred ninety-nine thousand, four hundred twenty".