3970637 has 8 divisors (see below), whose sum is σ = 4384800. Its totient is φ = 3565360.

The previous prime is 3970633. The next prime is 3970643. The reversal of 3970637 is 7360793.

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

It is a cyclic number.

It is not a de Polignac number, because 3970637 - 2² = 3970633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3970597 and 3970606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3970633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1262 + ... + 3087.

It is an arithmetic number, because the mean of its divisors is an integer number (548100).

Almost surely, 2^3970637 is an apocalyptic number.

It is an amenable number.

3970637 is a deficient number, since it is larger than the sum of its proper divisors (414163).

3970637 is a wasteful number, since it uses less digits than its factorization.

3970637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 3970637 is about 1992.6457286733. The cubic root of 3970637 is about 158.3507270519.

The spelling of 3970637 in words is "three million, nine hundred seventy thousand, six hundred thirty-seven".