3811913 has 8 divisors (see below), whose sum is σ = 4585920. Its totient is φ = 3095280.

The previous prime is 3811909. The next prime is 3811921. The reversal of 3811913 is 3191183.

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 3811913 - 2² = 3811909 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3811013) 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, 14198 + ... + 14463.

It is an arithmetic number, because the mean of its divisors is an integer number (573240).

Almost surely, 2^3811913 is an apocalyptic number.

It is an amenable number.

3811913 is a deficient number, since it is larger than the sum of its proper divisors (774007).

3811913 is a wasteful number, since it uses less digits than its factorization.

3811913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28687.

The product of its digits is 648, while the sum is 26.

The square root of 3811913 is about 1952.4120978933. The cubic root of 3811913 is about 156.2119762409.

The spelling of 3811913 in words is "three million, eight hundred eleven thousand, nine hundred thirteen".