2840934 has 32 divisors (see below), whose sum is σ = 5953536. Its totient is φ = 902880.

The previous prime is 2840917. The next prime is 2840939. The reversal of 2840934 is 4390482.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840939) 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, 14779 + ... + 14969.

It is an arithmetic number, because the mean of its divisors is an integer number (186048).

2^2840934 is an apocalyptic number.

2840934 is an abundant number, since it is smaller than the sum of its proper divisors (3112602).

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

2840934 is a wasteful number, since it uses less digits than its factorization.

2840934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2840934 is about 1685.5070453724. The cubic root of 2840934 is about 141.6294976691.

The spelling of 2840934 in words is "two million, eight hundred forty thousand, nine hundred thirty-four".