499456 has 18 divisors (see below), whose sum is σ = 997472. Its totient is φ = 249600.

The previous prime is 499439. The next prime is 499459. The reversal of 499456 is 654994.

It is a nialpdrome in base 9.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499459) by changing a digit.

499456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720 + ... + 1231.

2⁴⁹⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

499456 is a deficient number, since it is larger than the sum of its proper divisors (498016).

499456 is an equidigital number, since it uses as much as digits as its factorization.

499456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1953 counting only the distinct ones).

The product of its digits is 38880, while the sum is 37.

The square root of 499456 is about 706.7220104114. The cubic root of 499456 is about 79.3412572804.

It can be divided in two parts, 4994 and 56, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 499456 in words is "four hundred ninety-nine thousand, four hundred fifty-six".