2811634 has 16 divisors (see below), whose sum is σ = 4923648. Its totient is φ = 1179072.

The previous prime is 2811631. The next prime is 2811649. The reversal of 2811634 is 4361182.

It is a junction number, because it is equal to n+sod(n) for n = 2811599 and 2811608.

It is not an unprimeable number, because it can be changed into a prime (2811631) 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 in 7 ways as a sum of consecutive naturals, for example, 1479 + ... + 2794.

It is an arithmetic number, because the mean of its divisors is an integer number (307728).

2^2811634 is an apocalyptic number.

2811634 is a deficient number, since it is larger than the sum of its proper divisors (2112014).

2811634 is a wasteful number, since it uses less digits than its factorization.

2811634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4329.

The product of its digits is 1152, while the sum is 25.

The square root of 2811634 is about 1676.7927719310. The cubic root of 2811634 is about 141.1409150725.

The spelling of 2811634 in words is "two million, eight hundred eleven thousand, six hundred thirty-four".