3970243 has 4 divisors (see below), whose sum is σ = 3996688. Its totient is φ = 3943800.

The previous prime is 3970223. The next prime is 3970247. The reversal of 3970243 is 3420793.

3970243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-3970243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970247) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 12996 + ... + 13297.

It is an arithmetic number, because the mean of its divisors is an integer number (999172).

Almost surely, 2^3970243 is an apocalyptic number.

3970243 is a deficient number, since it is larger than the sum of its proper divisors (26445).

3970243 is a wasteful number, since it uses less digits than its factorization.

3970243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26444.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 3970243 is about 1992.5468626860. The cubic root of 3970243 is about 158.3454892483.

The spelling of 3970243 in words is "three million, nine hundred seventy thousand, two hundred forty-three".