499994424 has 128 divisors (see below), whose sum is σ = 1525824000. Its totient is φ = 150999552.

The previous prime is 499994419. The next prime is 499994441. The reversal of 499994424 is 424499994.

It is a happy number.

499994424 is a `hidden beast` number, since 49 + 99 + 94 + 424 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 91744 + ... + 97040.

It is an arithmetic number, because the mean of its divisors is an integer number (11920500).

Almost surely, 2^499994424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 499994424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (762912000).

499994424 is an abundant number, since it is smaller than the sum of its proper divisors (1025829576).

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

499994424 is a wasteful number, since it uses less digits than its factorization.

499994424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5354 (or 5344 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 499994424 is about 22360.5550914999. Note that the first 3 decimals coincide. The cubic root of 499994424 is about 793.6975755237.

The spelling of 499994424 in words is "four hundred ninety-nine million, nine hundred ninety-four thousand, four hundred twenty-four".