1893936164 has 12 divisors (see below), whose sum is σ = 3354321264. Its totient is φ = 935558664.

The previous prime is 1893936139. The next prime is 1893936179. The reversal of 1893936164 is 4616393981.

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 3 ways as a sum of consecutive naturals, for example, 2851982 + ... + 2852645.

It is an arithmetic number, because the mean of its divisors is an integer number (279526772).

Almost surely, 2^1893936164 is an apocalyptic number.

It is an amenable number.

1893936164 is a deficient number, since it is larger than the sum of its proper divisors (1460385100).

1893936164 is a wasteful number, since it uses less digits than its factorization.

1893936164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704714 (or 5704712 counting only the distinct ones).

The product of its digits is 839808, while the sum is 50.

The square root of 1893936164 is about 43519.3768797303. The cubic root of 1893936164 is about 1237.2433045642.

The spelling of 1893936164 in words is "one billion, eight hundred ninety-three million, nine hundred thirty-six thousand, one hundred sixty-four".