499991946 has 16 divisors (see below), whose sum is σ = 1002599424. Its totient is φ = 166228064.

The previous prime is 499991941. The next prime is 499991951. The reversal of 499991946 is 649199994.

It is an interprime number because it is at equal distance from previous prime (499991941) and next prime (499991951).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 499991946.

It is not an unprimeable number, because it can be changed into a prime (499991941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106491 + ... + 111086.

It is an arithmetic number, because the mean of its divisors is an integer number (62662464).

Almost surely, 2^499991946 is an apocalyptic number.

499991946 is an abundant number, since it is smaller than the sum of its proper divisors (502607478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499991946 is a wasteful number, since it uses less digits than its factorization.

499991946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217965.

The product of its digits is 5668704, while the sum is 60.

The square root of 499991946 is about 22360.4996813577. The cubic root of 499991946 is about 793.6962643185.

The spelling of 499991946 in words is "four hundred ninety-nine million, nine hundred ninety-one thousand, nine hundred forty-six".