188994952 has 8 divisors (see below), whose sum is σ = 354365550. Its totient is φ = 94497472.

The previous prime is 188994931. The next prime is 188994959. The reversal of 188994952 is 259499881.

It can be written as a sum of positive squares in only one way, i.e., 188952516 + 42436 = 13746^2 + 206^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 188994893 and 188994902.

It is not an unprimeable number, because it can be changed into a prime (188994959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11812177 + ... + 11812192.

Almost surely, 2^188994952 is an apocalyptic number.

It is an amenable number.

188994952 is a deficient number, since it is larger than the sum of its proper divisors (165370598).

188994952 is a wasteful number, since it uses less digits than its factorization.

188994952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624375 (or 23624371 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 55.

The square root of 188994952 is about 13747.5434896566. The cubic root of 188994952 is about 573.8742455393.

The spelling of 188994952 in words is "one hundred eighty-eight million, nine hundred ninety-four thousand, nine hundred fifty-two".