2891130 has 32 divisors (see below), whose sum is σ = 7570368. Its totient is φ = 700800.

The previous prime is 2891129. The next prime is 2891137. The reversal of 2891130 is 311982.

It is a self number, because there is not a number n which added to its sum of digits gives 2891130.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4051 + ... + 4710.

It is an arithmetic number, because the mean of its divisors is an integer number (236574).

2^2891130 is an apocalyptic number.

2891130 is an abundant number, since it is smaller than the sum of its proper divisors (4679238).

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

2891130 is a wasteful number, since it uses less digits than its factorization.

2891130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8782.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2891130 is about 1700.3323204597. The cubic root of 2891130 is about 142.4587753942.

The spelling of 2891130 in words is "two million, eight hundred ninety-one thousand, one hundred thirty".