4026999 has 4 divisors (see below), whose sum is σ = 5369336. Its totient is φ = 2684664.

The previous prime is 4026989. The next prime is 4027021. The reversal of 4026999 is 9996204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4026999 - 2¹² = 4022903 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4026949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 671164 + ... + 671169.

It is an arithmetic number, because the mean of its divisors is an integer number (1342334).

Almost surely, 2^4026999 is an apocalyptic number.

4026999 is a deficient number, since it is larger than the sum of its proper divisors (1342337).

4026999 is a wasteful number, since it uses less digits than its factorization.

4026999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342336.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 4026999 is about 2006.7383984964. The cubic root of 4026999 is about 159.0964566427.

The spelling of 4026999 in words is "four million, twenty-six thousand, nine hundred ninety-nine".