499404 has 12 divisors (see below), whose sum is σ = 1165304. Its totient is φ = 166464.

The previous prime is 499403. The next prime is 499423. The reversal of 499404 is 404994.

It is a tau number, because it is divible by the number of its divisors (12).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 499404.

It is not an unprimeable number, because it can be changed into a prime (499403) 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, 20797 + ... + 20820.

2⁴⁹⁹⁴⁰⁴ is an apocalyptic number.

It is an amenable number.

499404 is an abundant number, since it is smaller than the sum of its proper divisors (665900).

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

499404 is a wasteful number, since it uses less digits than its factorization.

499404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41624 (or 41622 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 499404 is about 706.6852198822. The cubic root of 499404 is about 79.3385036921.

It can be divided in two parts, 499 and 404, that added together give a triangular number (903 = T₄₂).

The spelling of 499404 in words is "four hundred ninety-nine thousand, four hundred four".