3807545 has 12 divisors (see below), whose sum is σ = 5315364. Its totient is φ = 2610720.

The previous prime is 3807539. The next prime is 3807553. The reversal of 3807545 is 5457083.

It is a happy number.

3807545 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2202256 + 1605289 = 1484^2 + 1267^2 .

It is not a de Polignac number, because 3807545 - 2⁸ = 3807289 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 7526 + ... + 8015.

It is an arithmetic number, because the mean of its divisors is an integer number (442947).

Almost surely, 2^3807545 is an apocalyptic number.

3807545 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3807545 is a deficient number, since it is larger than the sum of its proper divisors (1507819).

3807545 is a wasteful number, since it uses less digits than its factorization.

3807545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15560 (or 15553 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 3807545 is about 1951.2931609576. The cubic root of 3807545 is about 156.1522866395.

The spelling of 3807545 in words is "three million, eight hundred seven thousand, five hundred forty-five".