189896361 has 8 divisors (see below), whose sum is σ = 253269024. Its totient is φ = 126560640.

The previous prime is 189896327. The next prime is 189896383. The reversal of 189896361 is 163698981.

189896361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 189896361 - 2¹³ = 189888169 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189896561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6681 + ... + 20601.

It is an arithmetic number, because the mean of its divisors is an integer number (31658628).

Almost surely, 2^189896361 is an apocalyptic number.

It is an amenable number.

189896361 is a deficient number, since it is larger than the sum of its proper divisors (63372663).

189896361 is a wasteful number, since it uses less digits than its factorization.

189896361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18471.

The product of its digits is 559872, while the sum is 51.

The square root of 189896361 is about 13780.2888576401. The cubic root of 189896361 is about 574.7851608227.

The spelling of 189896361 in words is "one hundred eighty-nine million, eight hundred ninety-six thousand, three hundred sixty-one".