3805807445 has 32 divisors (see below), whose sum is σ = 5249871360. Its totient is φ = 2619432000.

The previous prime is 3805807441. The next prime is 3805807463. The reversal of 3805807445 is 5447085083.

It is not a de Polignac number, because 3805807445 - 2² = 3805807441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3805807396 and 3805807405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3805807441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1891490 + ... + 1893500.

It is an arithmetic number, because the mean of its divisors is an integer number (164058480).

Almost surely, 2^3805807445 is an apocalyptic number.

It is an amenable number.

3805807445 is a deficient number, since it is larger than the sum of its proper divisors (1444063915).

3805807445 is a wasteful number, since it uses less digits than its factorization.

3805807445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857.

The product of its (nonzero) digits is 537600, while the sum is 44.

The square root of 3805807445 is about 61691.2266452856. The cubic root of 3805807445 is about 1561.2852990831.

The spelling of 3805807445 in words is "three billion, eight hundred five million, eight hundred seven thousand, four hundred forty-five".