499304380 has 48 divisors (see below), whose sum is σ = 1059791040. Its totient is φ = 197593088.

The previous prime is 499304357. The next prime is 499304389. The reversal of 499304380 is 83403994.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499304389) 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 15 ways as a sum of consecutive naturals, for example, 1390641 + ... + 1390999.

It is an arithmetic number, because the mean of its divisors is an integer number (22078980).

Almost surely, 2^499304380 is an apocalyptic number.

It is an amenable number.

499304380 is an abundant number, since it is smaller than the sum of its proper divisors (560486660).

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

499304380 is a wasteful number, since it uses less digits than its factorization.

499304380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 916 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 499304380 is about 22345.1198251430. The cubic root of 499304380 is about 793.3322791848.

The spelling of 499304380 in words is "four hundred ninety-nine million, three hundred four thousand, three hundred eighty".