3964001 has 8 divisors (see below), whose sum is σ = 4151808. Its totient is φ = 3780000.

The previous prime is 3963991. The next prime is 3964007. The reversal of 3964001 is 1004693.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3964001 - 2¹⁰ = 3962977 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3964007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301 + ... + 3101.

It is an arithmetic number, because the mean of its divisors is an integer number (518976).

Almost surely, 2^3964001 is an apocalyptic number.

3964001 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

3964001 is a deficient number, since it is larger than the sum of its proper divisors (187807).

3964001 is a wasteful number, since it uses less digits than its factorization.

3964001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 3964001 is about 1990.9799094918. The cubic root of 3964001 is about 158.2624623421.

Adding to 3964001 its reverse (1004693), we get a palindrome (4968694).

The spelling of 3964001 in words is "three million, nine hundred sixty-four thousand, one".