3924013 has 4 divisors (see below), whose sum is σ = 4130560. Its totient is φ = 3717468.

The previous prime is 3923993. The next prime is 3924017. The reversal of 3924013 is 3104293.

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.

It is a cyclic number.

It is not a de Polignac number, because 3924013 - 2⁵ = 3923981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3924017) 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, 103245 + ... + 103282.

It is an arithmetic number, because the mean of its divisors is an integer number (1032640).

Almost surely, 2^3924013 is an apocalyptic number.

It is an amenable number.

3924013 is a deficient number, since it is larger than the sum of its proper divisors (206547).

3924013 is a wasteful number, since it uses less digits than its factorization.

3924013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206546.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 3924013 is about 1980.9121636256. The cubic root of 3924013 is about 157.7284900637.

The spelling of 3924013 in words is "three million, nine hundred twenty-four thousand, thirteen".