2116634 has 8 divisors (see below), whose sum is σ = 3419220. Its totient is φ = 976896.

The previous prime is 2116633. The next prime is 2116651. The reversal of 2116634 is 4366112.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1968409 + 148225 = 1403^2 + 385^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2116633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40679 + ... + 40730.

2^2116634 is an apocalyptic number.

2116634 is a deficient number, since it is larger than the sum of its proper divisors (1302586).

2116634 is a wasteful number, since it uses less digits than its factorization.

2116634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81424.

The product of its digits is 864, while the sum is 23.

The square root of 2116634 is about 1454.8656295342. The cubic root of 2116634 is about 128.3951412323.

The spelling of 2116634 in words is "two million, one hundred sixteen thousand, six hundred thirty-four".