3918001 has 4 divisors (see below), whose sum is σ = 4013604. Its totient is φ = 3822400.

The previous prime is 3917989. The next prime is 3918011. The reversal of 3918001 is 1008193.

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 767376 + 3150625 = 876^2 + 1775^2 .

It is a cyclic number.

It is not a de Polignac number, because 3918001 - 2⁹ = 3917489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3918011) 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, 47740 + ... + 47821.

It is an arithmetic number, because the mean of its divisors is an integer number (1003401).

Almost surely, 2^3918001 is an apocalyptic number.

It is an amenable number.

3918001 is a deficient number, since it is larger than the sum of its proper divisors (95603).

3918001 is an equidigital number, since it uses as much as digits as its factorization.

3918001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95602.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 3918001 is about 1979.3940992132. The cubic root of 3918001 is about 157.6478966869.

The spelling of 3918001 in words is "three million, nine hundred eighteen thousand, one".