3974345 has 8 divisors (see below), whose sum is σ = 5049864. Its totient is φ = 2992384.

The previous prime is 3974309. The next prime is 3974351. The reversal of 3974345 is 5434793.

3974345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1721344 + 2253001 = 1312^2 + 1501^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3974345 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23294 + ... + 23463.

It is an arithmetic number, because the mean of its divisors is an integer number (631233).

Almost surely, 2^3974345 is an apocalyptic number.

It is an amenable number.

3974345 is a deficient number, since it is larger than the sum of its proper divisors (1075519).

3974345 is a wasteful number, since it uses less digits than its factorization.

3974345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46779.

The product of its digits is 45360, while the sum is 35.

The square root of 3974345 is about 1993.5759328403. The cubic root of 3974345 is about 158.4000039324.

The spelling of 3974345 in words is "three million, nine hundred seventy-four thousand, three hundred forty-five".