189322808 has 24 divisors (see below), whose sum is σ = 363456000. Its totient is φ = 92452752.

The previous prime is 189322807. The next prime is 189322823. The reversal of 189322808 is 808223981.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189322807) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8393 + ... + 21191.

It is an arithmetic number, because the mean of its divisors is an integer number (15144000).

Almost surely, 2^189322808 is an apocalyptic number.

It is an amenable number.

189322808 is a deficient number, since it is larger than the sum of its proper divisors (174133192).

189322808 is a wasteful number, since it uses less digits than its factorization.

189322808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12891 (or 12844 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 189322808 is about 13759.4624895015. The cubic root of 189322808 is about 574.2058935926.

The spelling of 189322808 in words is "one hundred eighty-nine million, three hundred twenty-two thousand, eight hundred eight".