189263000 has 64 divisors (see below), whose sum is σ = 451357920. Its totient is φ = 74256000.

The previous prime is 189262993. The next prime is 189263003. The reversal of 189263000 is 362981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189263003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51215 + ... + 54785.

Almost surely, 2^189263000 is an apocalyptic number.

189263000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189263000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225678960).

189263000 is an abundant number, since it is smaller than the sum of its proper divisors (262094920).

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

189263000 is a wasteful number, since it uses less digits than its factorization.

189263000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3645 (or 3631 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 189263000 is about 13757.2889771205. The cubic root of 189263000 is about 574.1454224087.

The spelling of 189263000 in words is "one hundred eighty-nine million, two hundred sixty-three thousand".