1906196306 has 8 divisors (see below), whose sum is σ = 3267765120. Its totient is φ = 816941268.

The previous prime is 1906196287. The next prime is 1906196309. The reversal of 1906196306 is 6036916091.

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

It is not an unprimeable number, because it can be changed into a prime (1906196309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68078426 + ... + 68078453.

It is an arithmetic number, because the mean of its divisors is an integer number (408470640).

Almost surely, 2^1906196306 is an apocalyptic number.

1906196306 is a deficient number, since it is larger than the sum of its proper divisors (1361568814).

1906196306 is a wasteful number, since it uses less digits than its factorization.

1906196306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136156888.

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 1906196306 is about 43660.0080852031. The cubic root of 1906196306 is about 1239.9072741103.

The spelling of 1906196306 in words is "one billion, nine hundred six million, one hundred ninety-six thousand, three hundred six".