1906350947 has 16 divisors (see below), whose sum is σ = 2063232000. Its totient is φ = 1754755200.

The previous prime is 1906350937. The next prime is 1906350967. The reversal of 1906350947 is 7490536091.

It is a cyclic number.

It is not a de Polignac number, because 1906350947 - 2¹⁸ = 1906088803 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1906350898 and 1906350907.

It is not an unprimeable number, because it can be changed into a prime (1906350917) 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, 194822 + ... + 204372.

It is an arithmetic number, because the mean of its divisors is an integer number (128952000).

Almost surely, 2^1906350947 is an apocalyptic number.

1906350947 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1906350947 is a deficient number, since it is larger than the sum of its proper divisors (156881053).

1906350947 is a wasteful number, since it uses less digits than its factorization.

1906350947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9826.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 1906350947 is about 43661.7790178092. The cubic root of 1906350947 is about 1239.9408025416.

The spelling of 1906350947 in words is "one billion, nine hundred six million, three hundred fifty thousand, nine hundred forty-seven".