3945359 has 4 divisors (see below), whose sum is σ = 4304040. Its totient is φ = 3586680.

The previous prime is 3945353. The next prime is 3945367. The reversal of 3945359 is 9535493.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3945359 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179324 + ... + 179345.

It is an arithmetic number, because the mean of its divisors is an integer number (1076010).

Almost surely, 2^3945359 is an apocalyptic number.

3945359 is a deficient number, since it is larger than the sum of its proper divisors (358681).

3945359 is a wasteful number, since it uses less digits than its factorization.

3945359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358680.

The product of its digits is 72900, while the sum is 38.

The square root of 3945359 is about 1986.2927780164. The cubic root of 3945359 is about 158.0139788946.

The spelling of 3945359 in words is "three million, nine hundred forty-five thousand, three hundred fifty-nine".