2891072 has 28 divisors (see below), whose sum is σ = 5791200. Its totient is φ = 1431936.

The previous prime is 2891051. The next prime is 2891081. The reversal of 2891072 is 2701982.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12623 + ... + 12849.

2^2891072 is an apocalyptic number.

It is an amenable number.

2891072 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

2891072 is a wasteful number, since it uses less digits than its factorization.

2891072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438 (or 428 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 2891072 is about 1700.3152648847. The cubic root of 2891072 is about 142.4578227489.

It can be divided in two parts, 28910 and 72, that added together give a palindrome (28982).

The spelling of 2891072 in words is "two million, eight hundred ninety-one thousand, seventy-two".