3979167 has 4 divisors (see below), whose sum is σ = 5305560. Its totient is φ = 2652776.

The previous prime is 3979163. The next prime is 3979181. The reversal of 3979167 is 7619793.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3979167 - 2² = 3979163 is a prime.

It is a D-number.

3979167 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663192 + ... + 663197.

It is an arithmetic number, because the mean of its divisors is an integer number (1326390).

Almost surely, 2^3979167 is an apocalyptic number.

3979167 is a deficient number, since it is larger than the sum of its proper divisors (1326393).

3979167 is a wasteful number, since it uses less digits than its factorization.

3979167 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326392.

The product of its digits is 71442, while the sum is 42.

The square root of 3979167 is about 1994.7849508155. The cubic root of 3979167 is about 158.4640393163.

The spelling of 3979167 in words is "three million, nine hundred seventy-nine thousand, one hundred sixty-seven".