2897136 has 120 divisors (see below), whose sum is σ = 9285120. Its totient is φ = 835200.

The previous prime is 2897131. The next prime is 2897171. The reversal of 2897136 is 6317982.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2897136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897131) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49075 + ... + 49133.

It is an arithmetic number, because the mean of its divisors is an integer number (77376).

2^2897136 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 2897136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4642560).

2897136 is an abundant number, since it is smaller than the sum of its proper divisors (6387984).

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

2897136 is a wasteful number, since it uses less digits than its factorization.

2897136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115 (or 106 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 2897136 is about 1702.0975295206. The cubic root of 2897136 is about 142.5573545670.

The spelling of 2897136 in words is "two million, eight hundred ninety-seven thousand, one hundred thirty-six".