189397016 has 16 divisors (see below), whose sum is σ = 373810200. Its totient is φ = 89714304.

The previous prime is 189397001. The next prime is 189397027. The reversal of 189397016 is 610793981.

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 3 ways as a sum of consecutive naturals, for example, 622865 + ... + 623168.

Almost surely, 2^189397016 is an apocalyptic number.

It is an amenable number.

189397016 is a deficient number, since it is larger than the sum of its proper divisors (184413184).

189397016 is a wasteful number, since it uses less digits than its factorization.

189397016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1246058 (or 1246054 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 44.

The square root of 189397016 is about 13762.1588422747. The cubic root of 189397016 is about 574.2809067501.

The spelling of 189397016 in words is "one hundred eighty-nine million, three hundred ninety-seven thousand, sixteen".