499991107 has 32 divisors (see below), whose sum is σ = 634521600. Its totient is φ = 382704000.

The previous prime is 499991083. The next prime is 499991113. The reversal of 499991107 is 701199994.

It is a happy number.

It is not a de Polignac number, because 499991107 - 2¹⁵ = 499958339 is a prime.

It is a super-2 number, since 2×499991107² = 499982214158170898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499941107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1858569 + ... + 1858837.

It is an arithmetic number, because the mean of its divisors is an integer number (19828800).

Almost surely, 2^499991107 is an apocalyptic number.

499991107 is a deficient number, since it is larger than the sum of its proper divisors (134530493).

499991107 is a wasteful number, since it uses less digits than its factorization.

499991107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its (nonzero) digits is 183708, while the sum is 49.

The square root of 499991107 is about 22360.4809205884. The cubic root of 499991107 is about 793.6958203703.

The spelling of 499991107 in words is "four hundred ninety-nine million, nine hundred ninety-one thousand, one hundred seven".