2068634 has 4 divisors (see below), whose sum is σ = 3102954. Its totient is φ = 1034316.

The previous prime is 2068607. The next prime is 2068637. The reversal of 2068634 is 4368602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2059225 + 9409 = 1435^2 + 97^2 .

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 2068597 and 2068606.

It is not an unprimeable number, because it can be changed into a prime (2068637) 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 as a sum of consecutive naturals, namely, 517157 + ... + 517160.

2^2068634 is an apocalyptic number.

2068634 is a deficient number, since it is larger than the sum of its proper divisors (1034320).

2068634 is a wasteful number, since it uses less digits than its factorization.

2068634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034319.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 2068634 is about 1438.2746608350. The cubic root of 2068634 is about 127.4171498148.

Subtracting 2068634 from its reverse (4368602), we obtain a cube (2299968 = 132³).

The spelling of 2068634 in words is "two million, sixty-eight thousand, six hundred thirty-four".