2891118 has 16 divisors (see below), whose sum is σ = 5880960. Its totient is φ = 947256.

The previous prime is 2891101. The next prime is 2891129. The reversal of 2891118 is 8111982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3730 + ... + 4437.

It is an arithmetic number, because the mean of its divisors is an integer number (367560).

2^2891118 is an apocalyptic number.

2891118 is an abundant number, since it is smaller than the sum of its proper divisors (2989842).

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

2891118 is a wasteful number, since it uses less digits than its factorization.

2891118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8231.

The product of its digits is 1152, while the sum is 30.

The square root of 2891118 is about 1700.3287917341. The cubic root of 2891118 is about 142.4585782963.

The spelling of 2891118 in words is "two million, eight hundred ninety-one thousand, one hundred eighteen".