189341064 has 160 divisors (see below), whose sum is σ = 586491840. Its totient is φ = 56592000.

The previous prime is 189341063. The next prime is 189341077. The reversal of 189341064 is 460143981.

189341064 is a `hidden beast` number, since 189 + 3 + 410 + 64 = 666.

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 (189341063) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 719797 + ... + 720059.

It is an arithmetic number, because the mean of its divisors is an integer number (3665574).

Almost surely, 2^189341064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 189341064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293245920).

189341064 is an abundant number, since it is smaller than the sum of its proper divisors (397150776).

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

189341064 is a wasteful number, since it uses less digits than its factorization.

189341064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 380 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 189341064 is about 13760.1258715173. The cubic root of 189341064 is about 574.2243494881.

The spelling of 189341064 in words is "one hundred eighty-nine million, three hundred forty-one thousand, sixty-four".