2146831938 has 40 divisors (see below), whose sum is σ = 4892049360. Its totient is φ = 703478520.

The previous prime is 2146831913. The next prime is 2146831957. The reversal of 2146831938 is 8391386412.

It is a junction number, because it is equal to n+sod(n) for n = 2146831893 and 2146831902.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 102748 + ... + 121863.

It is an arithmetic number, because the mean of its divisors is an integer number (122301234).

Almost surely, 2^2146831938 is an apocalyptic number.

2146831938 is an abundant number, since it is smaller than the sum of its proper divisors (2745217422).

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

2146831938 is a wasteful number, since it uses less digits than its factorization.

2146831938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224684 (or 224675 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 2146831938 is about 46333.9177924768. The cubic root of 2146831938 is about 1290.0286310573.

The spelling of 2146831938 in words is "two billion, one hundred forty-six million, eight hundred thirty-one thousand, nine hundred thirty-eight".