189948956 has 24 divisors (see below), whose sum is σ = 364104720. Its totient is φ = 86304512.

The previous prime is 189948929. The next prime is 189948971. The reversal of 189948956 is 659849981.

It is a junction number, because it is equal to n+sod(n) for n = 189948895 and 189948904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46190 + ... + 50133.

It is an arithmetic number, because the mean of its divisors is an integer number (15171030).

Almost surely, 2^189948956 is an apocalyptic number.

It is an amenable number.

189948956 is a deficient number, since it is larger than the sum of its proper divisors (174155764).

189948956 is a wasteful number, since it uses less digits than its factorization.

189948956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96373 (or 96371 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 59.

The square root of 189948956 is about 13782.1970672313. The cubic root of 189948956 is about 574.8382214059.

The spelling of 189948956 in words is "one hundred eighty-nine million, nine hundred forty-eight thousand, nine hundred fifty-six".