3970631 has 8 divisors (see below), whose sum is σ = 4559520. Its totient is φ = 3387168.

The previous prime is 3970591. The next prime is 3970633. The reversal of 3970631 is 1360793.

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 3970631 - 2⁶ = 3970567 is a prime.

It is a super-2 number, since 2×3970631² = 31531821076322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3970594 and 3970603.

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, 365 + ... + 2841.

It is an arithmetic number, because the mean of its divisors is an integer number (569940).

Almost surely, 2^3970631 is an apocalyptic number.

3970631 is a deficient number, since it is larger than the sum of its proper divisors (588889).

3970631 is a wasteful number, since it uses less digits than its factorization.

3970631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 3970631 is about 1992.6442231367. The cubic root of 3970631 is about 158.3506472910.

The spelling of 3970631 in words is "three million, nine hundred seventy thousand, six hundred thirty-one".