3916345 has 4 divisors (see below), whose sum is σ = 4699620. Its totient is φ = 3133072.

The previous prime is 3916343. The next prime is 3916373. The reversal of 3916345 is 5436193.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5436193 = 7 ⋅776599.

It can be written as a sum of positive squares in 2 ways, for example, as 968256 + 2948089 = 984^2 + 1717^2 .

It is a cyclic number.

It is not a de Polignac number, because 3916345 - 2¹ = 3916343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3916343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 391630 + ... + 391639.

It is an arithmetic number, because the mean of its divisors is an integer number (1174905).

Almost surely, 2^3916345 is an apocalyptic number.

It is an amenable number.

3916345 is a deficient number, since it is larger than the sum of its proper divisors (783275).

3916345 is an equidigital number, since it uses as much as digits as its factorization.

3916345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783274.

The product of its digits is 9720, while the sum is 31.

The square root of 3916345 is about 1978.9757451773. The cubic root of 3916345 is about 157.6256828329.

It can be divided in two parts, 39 and 16345, that added together give a 14-th power (16384 = 2¹⁴).

The spelling of 3916345 in words is "three million, nine hundred sixteen thousand, three hundred forty-five".