2805434 has 8 divisors (see below), whose sum is σ = 4251828. Its totient is φ = 1388160.

The previous prime is 2805403. The next prime is 2805443. The reversal of 2805434 is 4345082.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 255025 = 1597^2 + 505^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 7037 + ... + 7424.

2^2805434 is an apocalyptic number.

2805434 is a deficient number, since it is larger than the sum of its proper divisors (1446394).

2805434 is a wasteful number, since it uses less digits than its factorization.

2805434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14560.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2805434 is about 1674.9429841042. The cubic root of 2805434 is about 141.0370943431.

The spelling of 2805434 in words is "two million, eight hundred five thousand, four hundred thirty-four".