499213388 has 12 divisors (see below), whose sum is σ = 874423200. Its totient is φ = 249378192.

The previous prime is 499213387. The next prime is 499213397. The reversal of 499213388 is 883312994.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (499213387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52163 + ... + 60986.

It is an arithmetic number, because the mean of its divisors is an integer number (72868600).

Almost surely, 2^499213388 is an apocalyptic number.

It is an amenable number.

499213388 is a deficient number, since it is larger than the sum of its proper divisors (375209812).

499213388 is a wasteful number, since it uses less digits than its factorization.

499213388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114256 (or 114254 counting only the distinct ones).

The product of its digits is 373248, while the sum is 47.

The square root of 499213388 is about 22343.0836725820. The cubic root of 499213388 is about 793.2840846171.

The spelling of 499213388 in words is "four hundred ninety-nine million, two hundred thirteen thousand, three hundred eighty-eight".