4018673 has 4 divisors (see below), whose sum is σ = 4028388. Its totient is φ = 4008960.

The previous prime is 4018649. The next prime is 4018699. The reversal of 4018673 is 3768104.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2024929 + 1993744 = 1423^2 + 1412^2 .

It is a cyclic number.

It is not a de Polignac number, because 4018673 - 2¹⁰ = 4017649 is a prime.

It is a super-2 number, since 2×4018673² = 32299465361858, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4018643) 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, 4208 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (1007097).

Almost surely, 2^4018673 is an apocalyptic number.

It is an amenable number.

4018673 is a deficient number, since it is larger than the sum of its proper divisors (9715).

4018673 is an equidigital number, since it uses as much as digits as its factorization.

4018673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9714.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 4018673 is about 2004.6628145401. The cubic root of 4018673 is about 158.9867346501.

The spelling of 4018673 in words is "four million, eighteen thousand, six hundred seventy-three".