3920080605 has 96 divisors (see below), whose sum is σ = 7513668864. Its totient is φ = 1739372544.

The previous prime is 3920080573. The next prime is 3920080639. The reversal of 3920080605 is 5060800293.

It is a happy number.

3920080605 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3920080605 - 2⁵ = 3920080573 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4011877 + ... + 4012853.

It is an arithmetic number, because the mean of its divisors is an integer number (78267384).

Almost surely, 2^3920080605 is an apocalyptic number.

3920080605 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3920080605 is a deficient number, since it is larger than the sum of its proper divisors (3593588259).

3920080605 is a wasteful number, since it uses less digits than its factorization.

3920080605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1155 (or 1148 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 3920080605 is about 62610.5470747541. The cubic root of 3920080605 is about 1576.7578398339.

Adding to 3920080605 its reverse (5060800293), we get a palindrome (8980880898).

It can be divided in two parts, 39200 and 80605, that added together give a triangular number (119805 = T₄₈₉).

The spelling of 3920080605 in words is "three billion, nine hundred twenty million, eighty thousand, six hundred five".