2840246 has 4 divisors (see below), whose sum is σ = 4260372. Its totient is φ = 1420122.

The previous prime is 2840239. The next prime is 2840249. The reversal of 2840246 is 6420482.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2840249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 710060 + ... + 710063.

It is an arithmetic number, because the mean of its divisors is an integer number (1065093).

2^2840246 is an apocalyptic number.

2840246 is a deficient number, since it is larger than the sum of its proper divisors (1420126).

2840246 is a wasteful number, since it uses less digits than its factorization.

2840246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420125.

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 2840246 is about 1685.3029401268. The cubic root of 2840246 is about 141.6180637579.

The spelling of 2840246 in words is "two million, eight hundred forty thousand, two hundred forty-six".