499458986 has 8 divisors (see below), whose sum is σ = 806818404. Its totient is φ = 230519520.

The previous prime is 499458979. The next prime is 499458991. The reversal of 499458986 is 689854994.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 495730225 + 3728761 = 22265^2 + 1931^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×499458986² = 498918557392296392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9604955 + ... + 9605006.

Almost surely, 2^499458986 is an apocalyptic number.

499458986 is a deficient number, since it is larger than the sum of its proper divisors (307359418).

499458986 is a wasteful number, since it uses less digits than its factorization.

499458986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19209976.

The product of its digits is 22394880, while the sum is 62.

The square root of 499458986 is about 22348.5790599761. The cubic root of 499458986 is about 793.4141539408.

The spelling of 499458986 in words is "four hundred ninety-nine million, four hundred fifty-eight thousand, nine hundred eighty-six".