2940871 has 8 divisors (see below), whose sum is σ = 3072224. Its totient is φ = 2812320.

The previous prime is 2940863. The next prime is 2940887. The reversal of 2940871 is 1780492.

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 2940871 - 2³ = 2940863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2940271) 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, 1606 + ... + 2908.

It is an arithmetic number, because the mean of its divisors is an integer number (384028).

2^2940871 is an apocalyptic number.

2940871 is a deficient number, since it is larger than the sum of its proper divisors (131353).

2940871 is a wasteful number, since it uses less digits than its factorization.

2940871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 2940871 is about 1714.8967898973. The cubic root of 2940871 is about 143.2711207687.

The spelling of 2940871 in words is "two million, nine hundred forty thousand, eight hundred seventy-one".