2971140 has 48 divisors (see below), whose sum is σ = 8684928. Its totient is φ = 757504.

The previous prime is 2971139. The next prime is 2971159. The reversal of 2971140 is 411792.

It is a self number, because there is not a number n which added to its sum of digits gives 2971140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304 + ... + 2456.

It is an arithmetic number, because the mean of its divisors is an integer number (180936).

2^2971140 is an apocalyptic number.

2971140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2971140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4342464).

2971140 is an abundant number, since it is smaller than the sum of its proper divisors (5713788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2971140 is a wasteful number, since it uses less digits than its factorization.

2971140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2188 (or 2186 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 2971140 is about 1723.6995097754. The cubic root of 2971140 is about 143.7609846678.

The spelling of 2971140 in words is "two million, nine hundred seventy-one thousand, one hundred forty".