2836540 has 24 divisors (see below), whose sum is σ = 6808032. Its totient is φ = 972480.

The previous prime is 2836489. The next prime is 2836549. The reversal of 2836540 is 456382.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 2836499 and 2836508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2836549) 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, 9991 + ... + 10270.

It is an arithmetic number, because the mean of its divisors is an integer number (283668).

2^2836540 is an apocalyptic number.

2836540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2836540 is an abundant number, since it is smaller than the sum of its proper divisors (3971492).

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

2836540 is a wasteful number, since it uses less digits than its factorization.

2836540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20277 (or 20275 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2836540 is about 1684.2030756414. The cubic root of 2836540 is about 141.5564417503.

The spelling of 2836540 in words is "two million, eight hundred thirty-six thousand, five hundred forty".