2146857930 has 96 divisors (see below), whose sum is σ = 6391008000. Its totient is φ = 489805056.

The previous prime is 2146857917. The next prime is 2146857961. The reversal of 2146857930 is 397586412.

2146857930 is a `hidden beast` number, since 2 + 1 + 46 + 8 + 579 + 30 = 666.

2146857930 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

2146857930 is strictly pandigital in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 374526 + ... + 380214.

It is an arithmetic number, because the mean of its divisors is an integer number (66573000).

It is a 2-persistent number, because it is pandigital, and so is 2⋅2146857930 = 4293715860, but 3⋅2146857930 = 6440573790 is not.

Almost surely, 2^2146857930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2146857930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3195504000).

2146857930 is an abundant number, since it is smaller than the sum of its proper divisors (4244150070).

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

2146857930 is a wasteful number, since it uses less digits than its factorization.

2146857930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6308 (or 6305 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2146857930 is about 46334.1982772984. The cubic root of 2146857930 is about 1290.0338372231.

The spelling of 2146857930 in words is "two billion, one hundred forty-six million, eight hundred fifty-seven thousand, nine hundred thirty".