3919013 has 4 divisors (see below), whose sum is σ = 4478880. Its totient is φ = 3359148.

The previous prime is 3919007. The next prime is 3919021. The reversal of 3919013 is 3109193.

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 3919013 - 2⁶ = 3918949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3919033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279923 + ... + 279936.

It is an arithmetic number, because the mean of its divisors is an integer number (1119720).

Almost surely, 2^3919013 is an apocalyptic number.

It is an amenable number.

3919013 is a deficient number, since it is larger than the sum of its proper divisors (559867).

3919013 is an equidigital number, since it uses as much as digits as its factorization.

3919013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559866.

The product of its (nonzero) digits is 729, while the sum is 26.

The square root of 3919013 is about 1979.6497164903. The cubic root of 3919013 is about 157.6614687387.

The spelling of 3919013 in words is "three million, nine hundred nineteen thousand, thirteen".