3920893841 has 4 divisors (see below), whose sum is σ = 3936515184. Its totient is φ = 3905272500.

The previous prime is 3920893813. The next prime is 3920893849. The reversal of 3920893841 is 1483980293.

It is a happy number.

3920893841 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 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 3920893841 - 2⁶ = 3920893777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3920893849) 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, 7810295 + ... + 7810796.

It is an arithmetic number, because the mean of its divisors is an integer number (984128796).

Almost surely, 2^3920893841 is an apocalyptic number.

It is an amenable number.

3920893841 is a deficient number, since it is larger than the sum of its proper divisors (15621343).

3920893841 is a wasteful number, since it uses less digits than its factorization.

3920893841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15621342.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 3920893841 is about 62617.0411389743. The cubic root of 3920893841 is about 1576.8668671480.

The spelling of 3920893841 in words is "three billion, nine hundred twenty million, eight hundred ninety-three thousand, eight hundred forty-one".