188970 has 16 divisors (see below), whose sum is σ = 453600. Its totient is φ = 50384.

The previous prime is 188957. The next prime is 188983. The reversal of 188970 is 79881.

188970 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (188957) and next prime (188983).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

188970 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3120 + ... + 3179.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2¹⁸⁸⁹⁷⁰ is an apocalyptic number.

188970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

188970 is an abundant number, since it is smaller than the sum of its proper divisors (264630).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188970 is a wasteful number, since it uses less digits than its factorization.

188970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6309.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 188970 is about 434.7067977384. The cubic root of 188970 is about 57.3848989238.

The spelling of 188970 in words is "one hundred eighty-eight thousand, nine hundred seventy".