1889056002 has 8 divisors (see below), whose sum is σ = 3778112016. Its totient is φ = 629685332.

The previous prime is 1889055989. The next prime is 1889056067. The reversal of 1889056002 is 2006509881.

It is a sphenic number, since it is the product of 3 distinct primes.

1889056002 is an admirable number.

It is a super-3 number, since 3×1889056002³ (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157421328 + ... + 157421339.

It is an arithmetic number, because the mean of its divisors is an integer number (472264002).

Almost surely, 2^1889056002 is an apocalyptic number.

1889056002 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1889056002 is a wasteful number, since it uses less digits than its factorization.

1889056002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314842672.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1889056002 is about 43463.2718740778. The cubic root of 1889056002 is about 1236.1797098904.

The spelling of 1889056002 in words is "one billion, eight hundred eighty-nine million, fifty-six thousand, two".