4009673 has 4 divisors (see below), whose sum is σ = 4014228. Its totient is φ = 4005120.

The previous prime is 4009669. The next prime is 4009679. The reversal of 4009673 is 3769004.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 1459264 = 1597^2 + 1208^2 .

It is a cyclic number.

It is not a de Polignac number, because 4009673 - 2² = 4009669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4009679) 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 3 ways as a sum of consecutive naturals, for example, 488 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (1003557).

Almost surely, 2^4009673 is an apocalyptic number.

It is an amenable number.

4009673 is a deficient number, since it is larger than the sum of its proper divisors (4555).

4009673 is a wasteful number, since it uses less digits than its factorization.

4009673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4554.

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 4009673 is about 2002.4167897818. The cubic root of 4009673 is about 158.8679599437.

The spelling of 4009673 in words is "four million, nine thousand, six hundred seventy-three".