499998456 has 48 divisors (see below), whose sum is σ = 1376373960. Its totient is φ = 163932480.

The previous prime is 499998451. The next prime is 499998461. The reversal of 499998456 is 654899994.

499998456 is a `hidden beast` number, since 4 + 9 + 99 + 98 + 456 = 666.

It is an interprime number because it is at equal distance from previous prime (499998451) and next prime (499998461).

It is a junction number, because it is equal to n+sod(n) for n = 499998393 and 499998402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499998451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52530 + ... + 61313.

Almost surely, 2^499998456 is an apocalyptic number.

It is an amenable number.

499998456 is an abundant number, since it is smaller than the sum of its proper divisors (876375504).

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

499998456 is a wasteful number, since it uses less digits than its factorization.

499998456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113916 (or 113909 counting only the distinct ones).

The product of its digits is 25194240, while the sum is 63.

The square root of 499998456 is about 22360.6452500817. The cubic root of 499998456 is about 793.6997090009.

The spelling of 499998456 in words is "four hundred ninety-nine million, nine hundred ninety-eight thousand, four hundred fifty-six".