1906698338 has 32 divisors (see below), whose sum is σ = 3006658560. Its totient is φ = 905748480.

The previous prime is 1906698337. The next prime is 1906698341. The reversal of 1906698338 is 8338966091.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1906698338.

It is not an unprimeable number, because it can be changed into a prime (1906698337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 944306 + ... + 946322.

It is an arithmetic number, because the mean of its divisors is an integer number (93958080).

Almost surely, 2^1906698338 is an apocalyptic number.

1906698338 is a deficient number, since it is larger than the sum of its proper divisors (1099960222).

1906698338 is a wasteful number, since it uses less digits than its factorization.

1906698338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2322.

The product of its (nonzero) digits is 1679616, while the sum is 53.

The square root of 1906698338 is about 43665.7570414163. The cubic root of 1906698338 is about 1240.0161153820.

The spelling of 1906698338 in words is "one billion, nine hundred six million, six hundred ninety-eight thousand, three hundred thirty-eight".