3970737 has 6 divisors (see below), whose sum is σ = 5735522. Its totient is φ = 2647152.

The previous prime is 3970723. The next prime is 3970739. The reversal of 3970737 is 7370793.

It can be written as a sum of positive squares in only one way, i.e., 2509056 + 1461681 = 1584^2 + 1209^2 .

It is not a de Polignac number, because 3970737 - 2¹⁶ = 3905201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 220588 + ... + 220605.

Almost surely, 2^3970737 is an apocalyptic number.

It is an amenable number.

3970737 is a deficient number, since it is larger than the sum of its proper divisors (1764785).

3970737 is a wasteful number, since it uses less digits than its factorization.

3970737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441199 (or 441196 counting only the distinct ones).

The product of its (nonzero) digits is 27783, while the sum is 36.

The square root of 3970737 is about 1992.6708207830. The cubic root of 3970737 is about 158.3520563885.

The spelling of 3970737 in words is "three million, nine hundred seventy thousand, seven hundred thirty-seven".