3968345 has 4 divisors (see below), whose sum is σ = 4762020. Its totient is φ = 3174672.

The previous prime is 3968339. The next prime is 3968357. The reversal of 3968345 is 5438693.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2247001 + 1721344 = 1499^2 + 1312^2 .

It is a cyclic number.

It is not a de Polignac number, because 3968345 - 2⁴ = 3968329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3968299 and 3968308.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396830 + ... + 396839.

It is an arithmetic number, because the mean of its divisors is an integer number (1190505).

Almost surely, 2^3968345 is an apocalyptic number.

It is an amenable number.

3968345 is a deficient number, since it is larger than the sum of its proper divisors (793675).

3968345 is an equidigital number, since it uses as much as digits as its factorization.

3968345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793674.

The product of its digits is 77760, while the sum is 38.

The square root of 3968345 is about 1992.0705308799. The cubic root of 3968345 is about 158.3202525358.

The spelling of 3968345 in words is "three million, nine hundred sixty-eight thousand, three hundred forty-five".