189069756 has 12 divisors (see below), whose sum is σ = 441162792. Its totient is φ = 63023248.

The previous prime is 189069743. The next prime is 189069757. The reversal of 189069756 is 657960981.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 189069699 and 189069708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189069757) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7877895 + ... + 7877918.

It is an arithmetic number, because the mean of its divisors is an integer number (36763566).

Almost surely, 2^189069756 is an apocalyptic number.

It is an amenable number.

189069756 is an abundant number, since it is smaller than the sum of its proper divisors (252093036).

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

189069756 is a wasteful number, since it uses less digits than its factorization.

189069756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15755820 (or 15755818 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 51.

The square root of 189069756 is about 13750.2638520139. The cubic root of 189069756 is about 573.9499484902.

The spelling of 189069756 in words is "one hundred eighty-nine million, sixty-nine thousand, seven hundred fifty-six".