3668001 has 4 divisors (see below), whose sum is σ = 4890672. Its totient is φ = 2445332.

The previous prime is 3667999. The next prime is 3668009. The reversal of 3668001 is 1008663.

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 an emirpimes, since its reverse is a distinct semiprime: 1008663 = 3 ⋅336221.

It is a cyclic number.

It is not a de Polignac number, because 3668001 - 2¹ = 3667999 is a prime.

It is a D-number.

3668001 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3668009) 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, 611331 + ... + 611336.

It is an arithmetic number, because the mean of its divisors is an integer number (1222668).

Almost surely, 2^3668001 is an apocalyptic number.

It is an amenable number.

3668001 is a deficient number, since it is larger than the sum of its proper divisors (1222671).

3668001 is a wasteful number, since it uses less digits than its factorization.

3668001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222670.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 3668001 is about 1915.2026002489. The cubic root of 3668001 is about 154.2208698944.

The spelling of 3668001 in words is "three million, six hundred sixty-eight thousand, one".