3923913 has 16 divisors (see below), whose sum is σ = 6082560. Its totient is φ = 2203536.

The previous prime is 3923911. The next prime is 3923917. The reversal of 3923913 is 3193293.

It is not a de Polignac number, because 3923913 - 2¹ = 3923911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3923911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345 + ... + 2822.

It is an arithmetic number, because the mean of its divisors is an integer number (380160).

Almost surely, 2^3923913 is an apocalyptic number.

It is an amenable number.

3923913 is a deficient number, since it is larger than the sum of its proper divisors (2158647).

3923913 is a wasteful number, since it uses less digits than its factorization.

3923913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236.

The product of its digits is 4374, while the sum is 30.

The square root of 3923913 is about 1980.8869225678. The cubic root of 3923913 is about 157.7271501953.

The spelling of 3923913 in words is "three million, nine hundred twenty-three thousand, nine hundred thirteen".