1889468216 has 16 divisors (see below), whose sum is σ = 3696786000. Its totient is φ = 903658624.

The previous prime is 1889468209. The next prime is 1889468257. The reversal of 1889468216 is 6128649881.

It is a happy number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 5134241 + ... + 5134608.

It is an arithmetic number, because the mean of its divisors is an integer number (231049125).

Almost surely, 2^1889468216 is an apocalyptic number.

It is an amenable number.

1889468216 is a deficient number, since it is larger than the sum of its proper divisors (1807317784).

1889468216 is a wasteful number, since it uses less digits than its factorization.

1889468216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10268878 (or 10268874 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 53.

The square root of 1889468216 is about 43468.0137112337. The cubic root of 1889468216 is about 1236.2696196164.

The spelling of 1889468216 in words is "one billion, eight hundred eighty-nine million, four hundred sixty-eight thousand, two hundred sixteen".