2891152 has 20 divisors (see below), whose sum is σ = 6111216. Its totient is φ = 1314080.

The previous prime is 2891137. The next prime is 2891171. The reversal of 2891152 is 2511982.

It is a self number, because there is not a number n which added to its sum of digits gives 2891152.

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, 8038 + ... + 8389.

2^2891152 is an apocalyptic number.

2891152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2891152 is an abundant number, since it is smaller than the sum of its proper divisors (3220064).

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

2891152 is a wasteful number, since it uses less digits than its factorization.

2891152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16446 (or 16440 counting only the distinct ones).

The product of its digits is 1440, while the sum is 28.

The square root of 2891152 is about 1700.3387897710. The cubic root of 2891152 is about 142.4591367391.

It can be divided in two parts, 289 and 1152, that added together give a palindrome (1441).

The spelling of 2891152 in words is "two million, eight hundred ninety-one thousand, one hundred fifty-two".