2891372 has 12 divisors (see below), whose sum is σ = 5519976. Its totient is φ = 1314240.

The previous prime is 2891359. The next prime is 2891381. The reversal of 2891372 is 2731982.

2891372 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32813 + ... + 32900.

It is an arithmetic number, because the mean of its divisors is an integer number (459998).

2^2891372 is an apocalyptic number.

2891372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2891372 is a deficient number, since it is larger than the sum of its proper divisors (2628604).

2891372 is a wasteful number, since it uses less digits than its factorization.

2891372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65728 (or 65726 counting only the distinct ones).

The product of its digits is 6048, while the sum is 32.

The square root of 2891372 is about 1700.4034815302. The cubic root of 2891372 is about 142.4627500871.

It can be divided in two parts, 289 and 1372, that added together give a palindrome (1661).

The spelling of 2891372 in words is "two million, eight hundred ninety-one thousand, three hundred seventy-two".