499953384 has 160 divisors (see below), whose sum is σ = 1684900800. Its totient is φ = 135302400.

The previous prime is 499953383. The next prime is 499953431. The reversal of 499953384 is 483359994.

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

Its product of digits (4199040) is a multiple of the sum of its prime divisors (5832).

It is a self number, because there is not a number n which added to its sum of digits gives 499953384.

It is not an unprimeable number, because it can be changed into a prime (499953383) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 83284 + ... + 89084.

It is an arithmetic number, because the mean of its divisors is an integer number (10530630).

Almost surely, 2^499953384 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 499953384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (842450400).

499953384 is an abundant number, since it is smaller than the sum of its proper divisors (1184947416).

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

499953384 is a wasteful number, since it uses less digits than its factorization.

499953384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5845 (or 5832 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 499953384 is about 22359.6373852529. The cubic root of 499953384 is about 793.6758591217.

The spelling of 499953384 in words is "four hundred ninety-nine million, nine hundred fifty-three thousand, three hundred eighty-four".