1892946664 has 32 divisors (see below), whose sum is σ = 4057859520. Its totient is φ = 810953856.

The previous prime is 1892946637. The next prime is 1892946683. The reversal of 1892946664 is 4666492981.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201087 + ... + 210289.

It is an arithmetic number, because the mean of its divisors is an integer number (126808110).

Almost surely, 2^1892946664 is an apocalyptic number.

1892946664 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1892946664 is an abundant number, since it is smaller than the sum of its proper divisors (2164912856).

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

1892946664 is a wasteful number, since it uses less digits than its factorization.

1892946664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12889 (or 12885 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The square root of 1892946664 is about 43508.0068952831. The cubic root of 1892946664 is about 1237.0277982655.

The spelling of 1892946664 in words is "one billion, eight hundred ninety-two million, nine hundred forty-six thousand, six hundred sixty-four".