3618673 has 4 divisors (see below), whose sum is σ = 3622768. Its totient is φ = 3614580.

The previous prime is 3618653. The next prime is 3618679. The reversal of 3618673 is 3768163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3768163 = 7 ⋅538309.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3618673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3618679) 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, 111 + ... + 2692.

It is an arithmetic number, because the mean of its divisors is an integer number (905692).

Almost surely, 2^3618673 is an apocalyptic number.

It is an amenable number.

3618673 is a deficient number, since it is larger than the sum of its proper divisors (4095).

3618673 is a wasteful number, since it uses less digits than its factorization.

3618673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094.

The product of its digits is 18144, while the sum is 34.

The square root of 3618673 is about 1902.2809992217. The cubic root of 3618673 is about 153.5264166004.

It can be divided in two parts, 361867 and 3, that multiplied together give a triangular number (1085601 = T₁₄₇₃).

The spelling of 3618673 in words is "three million, six hundred eighteen thousand, six hundred seventy-three".