2824840 has 16 divisors (see below), whose sum is σ = 6355980. Its totient is φ = 1129920.

The previous prime is 2824823. The next prime is 2824853. The reversal of 2824840 is 484282.

It can be written as a sum of positive squares in 2 ways, for example, as 2775556 + 49284 = 1666^2 + 222^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2824799 and 2824808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35271 + ... + 35350.

2^2824840 is an apocalyptic number.

2824840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2824840 is an abundant number, since it is smaller than the sum of its proper divisors (3531140).

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

2824840 is a wasteful number, since it uses less digits than its factorization.

2824840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70632 (or 70628 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 2824840 is about 1680.7260335938. The cubic root of 2824840 is about 141.3615455330.

The spelling of 2824840 in words is "two million, eight hundred twenty-four thousand, eight hundred forty".