3970437 has 4 divisors (see below), whose sum is σ = 5293920. Its totient is φ = 2646956.

The previous prime is 3970423. The next prime is 3970441. The reversal of 3970437 is 7340793.

3970437 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7340793 = 3 ⋅2446931.

It is a cyclic number.

It is not a de Polignac number, because 3970437 - 2¹⁴ = 3954053 is a prime.

It is an Ulam number.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 3970398 and 3970407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3974437) 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, 661737 + ... + 661742.

It is an arithmetic number, because the mean of its divisors is an integer number (1323480).

Almost surely, 2^3970437 is an apocalyptic number.

It is an amenable number.

3970437 is a deficient number, since it is larger than the sum of its proper divisors (1323483).

3970437 is a wasteful number, since it uses less digits than its factorization.

3970437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1323482.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 3970437 is about 1992.5955435060. The cubic root of 3970437 is about 158.3480683117.

The spelling of 3970437 in words is "three million, nine hundred seventy thousand, four hundred thirty-seven".