499980988 has 12 divisors (see below), whose sum is σ = 942271960. Its totient is φ = 230760432.

The previous prime is 499980983. The next prime is 499980997. The reversal of 499980988 is 889089994.

It is a super-2 number, since 2×499980988² = 499961976722912288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499980983) 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 3 ways as a sum of consecutive naturals, for example, 4807458 + ... + 4807561.

Almost surely, 2^499980988 is an apocalyptic number.

It is an amenable number.

499980988 is a deficient number, since it is larger than the sum of its proper divisors (442290972).

499980988 is a wasteful number, since it uses less digits than its factorization.

499980988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9615036 (or 9615034 counting only the distinct ones).

The product of its (nonzero) digits is 13436928, while the sum is 64.

The square root of 499980988 is about 22360.2546497127. The cubic root of 499980988 is about 793.6904659670.

The spelling of 499980988 in words is "four hundred ninety-nine million, nine hundred eighty thousand, nine hundred eighty-eight".