2840146 has 4 divisors (see below), whose sum is σ = 4260222. Its totient is φ = 1420072.

The previous prime is 2840119. The next prime is 2840161. The reversal of 2840146 is 6410482.

2840146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 2758921 + 81225 = 1661^2 + 285^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2840146.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 710035 + ... + 710038.

2^2840146 is an apocalyptic number.

2840146 is a deficient number, since it is larger than the sum of its proper divisors (1420076).

2840146 is a wasteful number, since it uses less digits than its factorization.

2840146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420075.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 2840146 is about 1685.2732716091. The cubic root of 2840146 is about 141.6164016985.

The spelling of 2840146 in words is "two million, eight hundred forty thousand, one hundred forty-six".