2940071 has 4 divisors (see below), whose sum is σ = 3034944. Its totient is φ = 2845200.

The previous prime is 2940061. The next prime is 2940073. The reversal of 2940071 is 1700492.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2940071 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 (2940073) 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, 47390 + ... + 47451.

It is an arithmetic number, because the mean of its divisors is an integer number (758736).

2^2940071 is an apocalyptic number.

2940071 is a deficient number, since it is larger than the sum of its proper divisors (94873).

2940071 is an equidigital number, since it uses as much as digits as its factorization.

2940071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94872.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 2940071 is about 1714.6635238437. The cubic root of 2940071 is about 143.2581283263.

The spelling of 2940071 in words is "two million, nine hundred forty thousand, seventy-one".