1906845792 has 24 divisors (see below), whose sum is σ = 5005470456. Its totient is φ = 635615232.

The previous prime is 1906845781. The next prime is 1906845799. The reversal of 1906845792 is 2975486091.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1906845799) 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 in 3 ways as a sum of consecutive naturals, for example, 9931393 + ... + 9931584.

It is an arithmetic number, because the mean of its divisors is an integer number (208561269).

Almost surely, 2^1906845792 is an apocalyptic number.

1906845792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1906845792 is an abundant number, since it is smaller than the sum of its proper divisors (3098624664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1906845792 is a wasteful number, since it uses less digits than its factorization.

1906845792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19862990 (or 19862982 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 51.

The square root of 1906845792 is about 43667.4454485261. The cubic root of 1906845792 is about 1240.0480799949.

The spelling of 1906845792 in words is "one billion, nine hundred six million, eight hundred forty-five thousand, seven hundred ninety-two".