3908545 has 8 divisors (see below), whose sum is σ = 4703400. Its totient is φ = 3118080.

The previous prime is 3908543. The next prime is 3908549. The reversal of 3908545 is 5458093.

It can be written as a sum of positive squares in 4 ways, for example, as 16 + 3908529 = 4^2 + 1977^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3908545 - 2¹ = 3908543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3908545.

It is not an unprimeable number, because it can be changed into a prime (3908543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1375 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (587925).

Almost surely, 2^3908545 is an apocalyptic number.

It is an amenable number.

3908545 is a deficient number, since it is larger than the sum of its proper divisors (794855).

3908545 is a wasteful number, since it uses less digits than its factorization.

3908545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2195.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 3908545 is about 1977.0040465310. The cubic root of 3908545 is about 157.5209680659.

The spelling of 3908545 in words is "three million, nine hundred eight thousand, five hundred forty-five".