188487041 has 4 divisors (see below), whose sum is σ = 199574532. Its totient is φ = 177399552.

The previous prime is 188487023. The next prime is 188487053. The reversal of 188487041 is 140784881.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 146289025 + 42198016 = 12095^2 + 6496^2 .

It is a cyclic number.

It is not a de Polignac number, because 188487041 - 2¹⁰ = 188486017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 188487041.

It is not an unprimeable number, because it can be changed into a prime (188487071) 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, 5543720 + ... + 5543753.

It is an arithmetic number, because the mean of its divisors is an integer number (49893633).

Almost surely, 2^188487041 is an apocalyptic number.

It is an amenable number.

188487041 is a deficient number, since it is larger than the sum of its proper divisors (11087491).

188487041 is a wasteful number, since it uses less digits than its factorization.

188487041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11087490.

The product of its (nonzero) digits is 57344, while the sum is 41.

The square root of 188487041 is about 13729.0582706899. The cubic root of 188487041 is about 573.3597017423.

The spelling of 188487041 in words is "one hundred eighty-eight million, four hundred eighty-seven thousand, forty-one".