3618001 has 4 divisors (see below), whose sum is σ = 3622500. Its totient is φ = 3613504.

The previous prime is 3617993. The next prime is 3618007. The reversal of 3618001 is 1008163.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1008163 = 13 ⋅77551.

It can be written as a sum of positive squares in 2 ways, for example, as 1382976 + 2235025 = 1176^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 3618001 - 2³ = 3617993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3618001.

It is not an unprimeable number, because it can be changed into a prime (3618007) 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, 676 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (905625).

Almost surely, 2^3618001 is an apocalyptic number.

It is an amenable number.

3618001 is a deficient number, since it is larger than the sum of its proper divisors (4499).

3618001 is a wasteful number, since it uses less digits than its factorization.

3618001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 3618001 is about 1902.1043609645. The cubic root of 3618001 is about 153.5169125512.

The spelling of 3618001 in words is "three million, six hundred eighteen thousand, one".