2939671 has 4 divisors (see below), whose sum is σ = 3359632. Its totient is φ = 2519712.

The previous prime is 2939663. The next prime is 2939683. The reversal of 2939671 is 1769392.

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 2939671 - 2³ = 2939663 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2⁷ + 9⁶ + 3¹³ + 9⁶ + 6⁷ + 7⁴ + 1 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2939671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2939641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209970 + ... + 209983.

It is an arithmetic number, because the mean of its divisors is an integer number (839908).

2^2939671 is an apocalyptic number.

2939671 is a deficient number, since it is larger than the sum of its proper divisors (419961).

2939671 is an equidigital number, since it uses as much as digits as its factorization.

2939671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419960.

The product of its digits is 20412, while the sum is 37.

The square root of 2939671 is about 1714.5468789158. The cubic root of 2939671 is about 143.2516312212.

The spelling of 2939671 in words is "two million, nine hundred thirty-nine thousand, six hundred seventy-one".