2805634 has 24 divisors (see below), whose sum is σ = 4766580. Its totient is φ = 1229760.

The previous prime is 2805631. The next prime is 2805637. The reversal of 2805634 is 4365082.

2805634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2805631) and next prime (2805637).

It can be written as a sum of positive squares in 6 ways, for example, as 9 + 2805625 = 3^2 + 1675^2 .

It is not an unprimeable number, because it can be changed into a prime (2805631) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 45964 + ... + 46024.

2^2805634 is an apocalyptic number.

2805634 is a deficient number, since it is larger than the sum of its proper divisors (1960946).

2805634 is a wasteful number, since it uses less digits than its factorization.

2805634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2805634 is about 1675.0026865650. The cubic root of 2805634 is about 141.0404457852.

The spelling of 2805634 in words is "two million, eight hundred five thousand, six hundred thirty-four".