189896541 has 8 divisors (see below), whose sum is σ = 256040640. Its totient is φ = 125175072.

The previous prime is 189896537. The next prime is 189896561. The reversal of 189896541 is 145698981.

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

It is not a de Polignac number, because 189896541 - 2² = 189896537 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189896501) 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, 355345 + ... + 355878.

It is an arithmetic number, because the mean of its divisors is an integer number (32005080).

Almost surely, 2^189896541 is an apocalyptic number.

It is an amenable number.

189896541 is a deficient number, since it is larger than the sum of its proper divisors (66144099).

189896541 is an equidigital number, since it uses as much as digits as its factorization.

189896541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711315.

The product of its digits is 622080, while the sum is 51.

The square root of 189896541 is about 13780.2953887063. The cubic root of 189896541 is about 574.7853424328.

The spelling of 189896541 in words is "one hundred eighty-nine million, eight hundred ninety-six thousand, five hundred forty-one".