3970971 has 8 divisors (see below), whose sum is σ = 5882960. Its totient is φ = 2647296.

The previous prime is 3970949. The next prime is 3970991. The reversal of 3970971 is 1790793.

It is not a de Polignac number, because 3970971 - 2⁹ = 3970459 is a prime.

It is a super-2 number, since 2×3970971² = 31537221365682, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3970991) 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, 73510 + ... + 73563.

It is an arithmetic number, because the mean of its divisors is an integer number (735370).

Almost surely, 2^3970971 is an apocalyptic number.

3970971 is a deficient number, since it is larger than the sum of its proper divisors (1911989).

3970971 is a wasteful number, since it uses less digits than its factorization.

3970971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147082 (or 147076 counting only the distinct ones).

The product of its (nonzero) digits is 11907, while the sum is 36.

The square root of 3970971 is about 1992.7295350850. The cubic root of 3970971 is about 158.3551669491.

The spelling of 3970971 in words is "three million, nine hundred seventy thousand, nine hundred seventy-one".