3920225309 has 16 divisors (see below), whose sum is σ = 5263520640. Its totient is φ = 2819741760.

The previous prime is 3920225299. The next prime is 3920225321. The reversal of 3920225309 is 9035220293.

It is not a de Polignac number, because 3920225309 - 2²⁸ = 3651789853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3920225339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1957154 + ... + 1959155.

It is an arithmetic number, because the mean of its divisors is an integer number (328970040).

Almost surely, 2^3920225309 is an apocalyptic number.

It is an amenable number.

3920225309 is a deficient number, since it is larger than the sum of its proper divisors (1343295331).

3920225309 is a wasteful number, since it uses less digits than its factorization.

3920225309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3916340.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 3920225309 is about 62611.7026521400. The cubic root of 3920225309 is about 1576.7772408261. Note that the first 3 decimals are identical.

The spelling of 3920225309 in words is "three billion, nine hundred twenty million, two hundred twenty-five thousand, three hundred nine".