189227536 has 45 divisors (see below), whose sum is σ = 389089773. Its totient is φ = 89138880.

The previous prime is 189227501. The next prime is 189227537. The reversal of 189227536 is 635722981.

The square root of 189227536 is 13756.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 2085136 + 187142400 = 1444^2 + 13680^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189227492 and 189227501.

It is not an unprimeable number, because it can be changed into a prime (189227537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1045366 + ... + 1045546.

Almost surely, 2^189227536 is an apocalyptic number.

189227536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

189227536 is the 13756-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189227536

189227536 is an abundant number, since it is smaller than the sum of its proper divisors (199862237).

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

189227536 is an equidigital number, since it uses as much as digits as its factorization.

189227536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 202 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The cubic root of 189227536 is about 574.1095591476.

The spelling of 189227536 in words is "one hundred eighty-nine million, two hundred twenty-seven thousand, five hundred thirty-six".