2971136 has 40 divisors (see below), whose sum is σ = 6792720. Its totient is φ = 1271808.

The previous prime is 2971123. The next prime is 2971139. The reversal of 2971136 is 6311792.

It is a junction number, because it is equal to n+sod(n) for n = 2971099 and 2971108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2971139) 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, 3170 + ... + 3998.

It is an arithmetic number, because the mean of its divisors is an integer number (169818).

2^2971136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2971136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3396360).

2971136 is an abundant number, since it is smaller than the sum of its proper divisors (3821584).

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

2971136 is an frugal number, since it uses more digits than its factorization.

2971136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 854 (or 838 counting only the distinct ones).

The product of its digits is 2268, while the sum is 29.

The square root of 2971136 is about 1723.6983494800. The cubic root of 2971136 is about 143.7609201534.

The spelling of 2971136 in words is "two million, nine hundred seventy-one thousand, one hundred thirty-six".