3868345 has 8 divisors (see below), whose sum is σ = 4999176. Its totient is φ = 2856576.

The previous prime is 3868331. The next prime is 3868357. The reversal of 3868345 is 5438683.

It can be written as a sum of positive squares in 4 ways, for example, as 262144 + 3606201 = 512^2 + 1899^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3868345 - 2¹⁵ = 3835577 is a prime.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29692 + ... + 29821.

It is an arithmetic number, because the mean of its divisors is an integer number (624897).

Almost surely, 2^3868345 is an apocalyptic number.

It is an amenable number.

3868345 is a deficient number, since it is larger than the sum of its proper divisors (1130831).

3868345 is a wasteful number, since it uses less digits than its factorization.

3868345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59531.

The product of its digits is 69120, while the sum is 37.

The square root of 3868345 is about 1966.8108704194. The cubic root of 3868345 is about 156.9790632960.

The spelling of 3868345 in words is "three million, eight hundred sixty-eight thousand, three hundred forty-five".