189283212 has 36 divisors (see below), whose sum is σ = 479762920. Its totient is φ = 62923392.

The previous prime is 189283207. The next prime is 189283217. The reversal of 189283212 is 212382981.

It is an interprime number because it is at equal distance from previous prime (189283207) and next prime (189283217).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (189283217) 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 11 ways as a sum of consecutive naturals, for example, 6708 + ... + 20580.

Almost surely, 2^189283212 is an apocalyptic number.

189283212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189283212 is an abundant number, since it is smaller than the sum of its proper divisors (290479708).

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

189283212 is a wasteful number, since it uses less digits than its factorization.

189283212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262 (or 14257 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 189283212 is about 13758.0235499144. The cubic root of 189283212 is about 574.1658599554.

The spelling of 189283212 in words is "one hundred eighty-nine million, two hundred eighty-three thousand, two hundred twelve".