1920984236 has 24 divisors (see below), whose sum is σ = 3488373504. Its totient is φ = 924935760.

The previous prime is 1920984211. The next prime is 1920984259. The reversal of 1920984236 is 6324890291.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66440 + ... + 90863.

It is an arithmetic number, because the mean of its divisors is an integer number (145348896).

Almost surely, 2^1920984236 is an apocalyptic number.

It is an amenable number.

1920984236 is a deficient number, since it is larger than the sum of its proper divisors (1567389268).

1920984236 is a wasteful number, since it uses less digits than its factorization.

1920984236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157421 (or 157419 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 44.

The square root of 1920984236 is about 43829.0341668625. The cubic root of 1920984236 is about 1243.1053445805.

The spelling of 1920984236 in words is "one billion, nine hundred twenty million, nine hundred eighty-four thousand, two hundred thirty-six".