188860001 has 8 divisors (see below), whose sum is σ = 208070208. Its totient is φ = 169990000.

The previous prime is 188859997. The next prime is 188860013. The reversal of 188860001 is 100068881.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 188860001 - 2² = 188859997 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 188860001.

It is not an unprimeable number, because it can be changed into a prime (188860081) 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, 83885 + ... + 86106.

It is an arithmetic number, because the mean of its divisors is an integer number (26008776).

Almost surely, 2^188860001 is an apocalyptic number.

188860001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

188860001 is a deficient number, since it is larger than the sum of its proper divisors (19210207).

188860001 is a wasteful number, since it uses less digits than its factorization.

188860001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170103.

The product of its (nonzero) digits is 3072, while the sum is 32.

The square root of 188860001 is about 13742.6344272123. The cubic root of 188860001 is about 573.7376222365.

The spelling of 188860001 in words is "one hundred eighty-eight million, eight hundred sixty thousand, one".