2804940 has 36 divisors (see below), whose sum is σ = 8508864. Its totient is φ = 747936.

The previous prime is 2804939. The next prime is 2804941. The reversal of 2804940 is 494082.

2804940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2804939) and next prime (2804941).

It is a tau number, because it is divible by the number of its divisors (36).

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (2804941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7612 + ... + 7971.

2^2804940 is an apocalyptic number.

2804940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2804940 is an abundant number, since it is smaller than the sum of its proper divisors (5703924).

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

2804940 is a wasteful number, since it uses less digits than its factorization.

2804940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15598 (or 15593 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2804940 is about 1674.7955099056. The cubic root of 2804940 is about 141.0288155985.

The spelling of 2804940 in words is "two million, eight hundred four thousand, nine hundred forty".