2840474 has 16 divisors (see below), whose sum is σ = 5244288. Its totient is φ = 1123632.

The previous prime is 2840459. The next prime is 2840483. The reversal of 2840474 is 4740482.

It is an Ulam number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 7622 + ... + 7985.

It is an arithmetic number, because the mean of its divisors is an integer number (327768).

2^2840474 is an apocalyptic number.

2840474 is a deficient number, since it is larger than the sum of its proper divisors (2403814).

2840474 is a wasteful number, since it uses less digits than its factorization.

2840474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15629.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 2840474 is about 1685.3705823943. The cubic root of 2840474 is about 141.6218531074.

The spelling of 2840474 in words is "two million, eight hundred forty thousand, four hundred seventy-four".