3968519 has 4 divisors (see below), whose sum is σ = 3973080. Its totient is φ = 3963960.

The previous prime is 3968507. The next prime is 3968521. The reversal of 3968519 is 9158693.

3968519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3968519 - 2¹² = 3964423 is a prime.

It is a super-2 number, since 2×3968519² = 31498286106722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3968219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (993270).

Almost surely, 2^3968519 is an apocalyptic number.

3968519 is a deficient number, since it is larger than the sum of its proper divisors (4561).

3968519 is a wasteful number, since it uses less digits than its factorization.

3968519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4560.

The product of its digits is 58320, while the sum is 41.

The square root of 3968519 is about 1992.1142035536. The cubic root of 3968519 is about 158.3225664578.

The spelling of 3968519 in words is "three million, nine hundred sixty-eight thousand, five hundred nineteen".