1892204868 has 12 divisors (see below), whose sum is σ = 4415144720. Its totient is φ = 630734952.

The previous prime is 1892204857. The next prime is 1892204869. The reversal of 1892204868 is 8684022981.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (1892204869) 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, 78841858 + ... + 78841881.

Almost surely, 2^1892204868 is an apocalyptic number.

It is an amenable number.

1892204868 is an abundant number, since it is smaller than the sum of its proper divisors (2522939852).

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

1892204868 is a wasteful number, since it uses less digits than its factorization.

1892204868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157683746 (or 157683744 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 48.

The square root of 1892204868 is about 43499.4812382860. The cubic root of 1892204868 is about 1236.8661909365.

The spelling of 1892204868 in words is "one billion, eight hundred ninety-two million, two hundred four thousand, eight hundred sixty-eight".