189701642 has 8 divisors (see below), whose sum is σ = 306441156. Its totient is φ = 87554592.

The previous prime is 189701641. The next prime is 189701647. The reversal of 189701642 is 246107981.

189701642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 189585361 + 116281 = 13769^2 + 341^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 189701596 and 189701605.

It is not an unprimeable number, because it can be changed into a prime (189701641) 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, 3648083 + ... + 3648134.

Almost surely, 2^189701642 is an apocalyptic number.

189701642 is a deficient number, since it is larger than the sum of its proper divisors (116739514).

189701642 is a wasteful number, since it uses less digits than its factorization.

189701642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296232.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 189701642 is about 13773.2219179101. The cubic root of 189701642 is about 574.5886328015.

The spelling of 189701642 in words is "one hundred eighty-nine million, seven hundred one thousand, six hundred forty-two".