189816348 has 48 divisors (see below), whose sum is σ = 458486784. Its totient is φ = 61057920.

The previous prime is 189816337. The next prime is 189816391. The reversal of 189816348 is 843618981.

It is a junction number, because it is equal to n+sod(n) for n = 189816297 and 189816306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229111 + ... + 229937.

It is an arithmetic number, because the mean of its divisors is an integer number (9551808).

Almost surely, 2^189816348 is an apocalyptic number.

It is an amenable number.

189816348 is an abundant number, since it is smaller than the sum of its proper divisors (268670436).

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

189816348 is a wasteful number, since it uses less digits than its factorization.

189816348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1482 (or 1480 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 189816348 is about 13777.3853833011. The cubic root of 189816348 is about 574.7044207361.

The spelling of 189816348 in words is "one hundred eighty-nine million, eight hundred sixteen thousand, three hundred forty-eight".