3813923 has 4 divisors (see below), whose sum is σ = 3917040. Its totient is φ = 3710808.

The previous prime is 3813913. The next prime is 3813941. The reversal of 3813923 is 3293183.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3813923 - 2¹⁰ = 3812899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3813913) 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, 51503 + ... + 51576.

It is an arithmetic number, because the mean of its divisors is an integer number (979260).

Almost surely, 2^3813923 is an apocalyptic number.

3813923 is a deficient number, since it is larger than the sum of its proper divisors (103117).

3813923 is a wasteful number, since it uses less digits than its factorization.

3813923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103116.

The product of its digits is 3888, while the sum is 29.

The square root of 3813923 is about 1952.9267779413. The cubic root of 3813923 is about 156.2394279780.

The spelling of 3813923 in words is "three million, eight hundred thirteen thousand, nine hundred twenty-three".