2840424 has 32 divisors (see below), whose sum is σ = 7476000. Its totient is φ = 896832.

The previous prime is 2840419. The next prime is 2840447. The reversal of 2840424 is 4240482.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2840394 and 2840403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2659 + ... + 3570.

It is an arithmetic number, because the mean of its divisors is an integer number (233625).

2^2840424 is an apocalyptic number.

2840424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2840424 is an abundant number, since it is smaller than the sum of its proper divisors (4635576).

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

2840424 is a wasteful number, since it uses less digits than its factorization.

2840424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6257 (or 6253 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2840424 is about 1685.3557487961. The cubic root of 2840424 is about 141.6210221270.

The spelling of 2840424 in words is "two million, eight hundred forty thousand, four hundred twenty-four".