1889469996 has 24 divisors (see below), whose sum is σ = 4409603520. Its totient is φ = 629703312.

The previous prime is 1889469977. The next prime is 1889469997. The reversal of 1889469996 is 6999649881.

It is a self number, because there is not a number n which added to its sum of digits gives 1889469996.

It is not an unprimeable number, because it can be changed into a prime (1889469997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69735 + ... + 92961.

It is an arithmetic number, because the mean of its divisors is an integer number (183733480).

Almost surely, 2^1889469996 is an apocalyptic number.

It is an amenable number.

1889469996 is an abundant number, since it is smaller than the sum of its proper divisors (2520133524).

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

1889469996 is a wasteful number, since it uses less digits than its factorization.

1889469996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30013 (or 30011 counting only the distinct ones).

The product of its digits is 60466176, while the sum is 69.

The square root of 1889469996 is about 43468.0341860545. The cubic root of 1889469996 is about 1236.2700078313.

The spelling of 1889469996 in words is "one billion, eight hundred eighty-nine million, four hundred sixty-nine thousand, nine hundred ninety-six".