189300836 has 6 divisors (see below), whose sum is σ = 331276470. Its totient is φ = 94650416.

The previous prime is 189300829. The next prime is 189300847. The reversal of 189300836 is 638003981.

It can be written as a sum of positive squares in only one way, i.e., 181063936 + 8236900 = 13456^2 + 2870^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 189300836.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23662601 + ... + 23662608.

It is an arithmetic number, because the mean of its divisors is an integer number (55212745).

Almost surely, 2^189300836 is an apocalyptic number.

It is an amenable number.

189300836 is a deficient number, since it is larger than the sum of its proper divisors (141975634).

189300836 is a wasteful number, since it uses less digits than its factorization.

189300836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47325213 (or 47325211 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 189300836 is about 13758.6640339824. The cubic root of 189300836 is about 574.1836794352.

The spelling of 189300836 in words is "one hundred eighty-nine million, three hundred thousand, eight hundred thirty-six".