3811001 has 4 divisors (see below), whose sum is σ = 4011600. Its totient is φ = 3610404.

The previous prime is 3810979. The next prime is 3811007. The reversal of 3811001 is 1001183.

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: 1001183 = 37 ⋅27059.

It is a cyclic number.

It is not a de Polignac number, because 3811001 - 2¹⁰ = 3809977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3811007) 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, 100271 + ... + 100308.

It is an arithmetic number, because the mean of its divisors is an integer number (1002900).

Almost surely, 2^3811001 is an apocalyptic number.

It is an amenable number.

3811001 is a deficient number, since it is larger than the sum of its proper divisors (200599).

3811001 is a wasteful number, since it uses less digits than its factorization.

3811001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200598.

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 3811001 is about 1952.1785266722. The cubic root of 3811001 is about 156.1995173447.

Adding to 3811001 its reverse (1001183), we get a palindrome (4812184).

The spelling of 3811001 in words is "three million, eight hundred eleven thousand, one".