2841540 has 48 divisors (see below), whose sum is σ = 8570688. Its totient is φ = 699264.

The previous prime is 2841529. The next prime is 2841541. The reversal of 2841540 is 451482.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2841540.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2841541) 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, 1042 + ... + 2601.

It is an arithmetic number, because the mean of its divisors is an integer number (178556).

2^2841540 is an apocalyptic number.

2841540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2841540 is an abundant number, since it is smaller than the sum of its proper divisors (5729148).

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

2841540 is a wasteful number, since it uses less digits than its factorization.

2841540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3666 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2841540 is about 1685.6868036501. The cubic root of 2841540 is about 141.6395672886.

The spelling of 2841540 in words is "two million, eight hundred forty-one thousand, five hundred forty".