1930212808 has 64 divisors (see below), whose sum is σ = 3846528000. Its totient is φ = 906185280.

The previous prime is 1930212787. The next prime is 1930212811. The reversal of 1930212808 is 8082120391.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3222093 + ... + 3222691.

It is an arithmetic number, because the mean of its divisors is an integer number (60102000).

Almost surely, 2^1930212808 is an apocalyptic number.

It is an amenable number.

1930212808 is a deficient number, since it is larger than the sum of its proper divisors (1916315192).

1930212808 is a wasteful number, since it uses less digits than its factorization.

1930212808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1930212808 is about 43934.1872349996. The cubic root of 1930212808 is about 1245.0928266352.

The spelling of 1930212808 in words is "one billion, nine hundred thirty million, two hundred twelve thousand, eight hundred eight".