1906694834 has 16 divisors (see below), whose sum is σ = 3120724800. Its totient is φ = 866490960.

The previous prime is 1906694833. The next prime is 1906694851. The reversal of 1906694834 is 4384966091.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1906694833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169427 + ... + 180329.

It is an arithmetic number, because the mean of its divisors is an integer number (195045300).

Almost surely, 2^1906694834 is an apocalyptic number.

1906694834 is a deficient number, since it is larger than the sum of its proper divisors (1214029966).

1906694834 is a wasteful number, since it uses less digits than its factorization.

1906694834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18865.

The product of its (nonzero) digits is 1119744, while the sum is 50.

The square root of 1906694834 is about 43665.7169184247. The cubic root of 1906694834 is about 1240.0153557758.

The spelling of 1906694834 in words is "one billion, nine hundred six million, six hundred ninety-four thousand, eight hundred thirty-four".