4007971 has 8 divisors (see below), whose sum is σ = 4629744. Its totient is φ = 3429120.

The previous prime is 4007963. The next prime is 4007981. The reversal of 4007971 is 1797004.

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 4007971 - 2³ = 4007963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4007921) 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, 10530 + ... + 10903.

It is an arithmetic number, because the mean of its divisors is an integer number (578718).

Almost surely, 2^4007971 is an apocalyptic number.

4007971 is a deficient number, since it is larger than the sum of its proper divisors (621773).

4007971 is a wasteful number, since it uses less digits than its factorization.

4007971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21461.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 4007971 is about 2001.9917582248. The cubic root of 4007971 is about 158.8454783485.

The spelling of 4007971 in words is "four million, seven thousand, nine hundred seventy-one".