4000499 has 6 divisors (see below), whose sum is σ = 4089684. Its totient is φ = 3913220.

The previous prime is 4000489. The next prime is 4000511. The reversal of 4000499 is 9940004.

It is not a de Polignac number, because 4000499 - 2¹⁶ = 3934963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4000439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1304 + ... + 3114.

It is an arithmetic number, because the mean of its divisors is an integer number (681614).

Almost surely, 2^4000499 is an apocalyptic number.

4000499 is a deficient number, since it is larger than the sum of its proper divisors (89185).

4000499 is an equidigital number, since it uses as much as digits as its factorization.

4000499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1905 (or 1858 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 4000499 is about 2000.1247461096. The cubic root of 4000499 is about 158.7467058651.

The spelling of 4000499 in words is "four million, four hundred ninety-nine", and thus it is an aban number.