2872140 has 24 divisors (see below), whose sum is σ = 8042160. Its totient is φ = 765888.

The previous prime is 2872139. The next prime is 2872141. The reversal of 2872140 is 412782.

It is an interprime number because it is at equal distance from previous prime (2872139) and next prime (2872141).

It is a self number, because there is not a number n which added to its sum of digits gives 2872140.

It is not an unprimeable number, because it can be changed into a prime (2872141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23875 + ... + 23994.

It is an arithmetic number, because the mean of its divisors is an integer number (335090).

2^2872140 is an apocalyptic number.

2872140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2872140 is an abundant number, since it is smaller than the sum of its proper divisors (5170020).

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

2872140 is a wasteful number, since it uses less digits than its factorization.

2872140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47881 (or 47879 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 2872140 is about 1694.7389179458. The cubic root of 2872140 is about 142.1461828589.

The spelling of 2872140 in words is "two million, eight hundred seventy-two thousand, one hundred forty".