499927990 has 32 divisors (see below), whose sum is σ = 908034336. Its totient is φ = 198167040.

The previous prime is 499927957. The next prime is 499927991. The reversal of 499927990 is 99729994.

It is a super-3 number, since 3×499927990³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (499927991) 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, 681664 + ... + 682396.

It is an arithmetic number, because the mean of its divisors is an integer number (28376073).

Almost surely, 2^499927990 is an apocalyptic number.

499927990 is a deficient number, since it is larger than the sum of its proper divisors (408106346).

499927990 is a wasteful number, since it uses less digits than its factorization.

499927990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264.

The product of its (nonzero) digits is 3306744, while the sum is 58.

The square root of 499927990 is about 22359.0695244681. The cubic root of 499927990 is about 793.6624212382.

The spelling of 499927990 in words is "four hundred ninety-nine million, nine hundred twenty-seven thousand, nine hundred ninety".