188212046 has 16 divisors (see below), whose sum is σ = 308268720. Its totient is φ = 85471680.

The previous prime is 188212039. The next prime is 188212091. The reversal of 188212046 is 640212881.

It is a happy number.

It is a super-2 number, since 2×188212046² = 70847548519012232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25040 + ... + 31676.

It is an arithmetic number, because the mean of its divisors is an integer number (19266795).

Almost surely, 2^188212046 is an apocalyptic number.

188212046 is a deficient number, since it is larger than the sum of its proper divisors (120056674).

188212046 is a wasteful number, since it uses less digits than its factorization.

188212046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7939.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 188212046 is about 13719.0395436415. The cubic root of 188212046 is about 573.0807297926.

The spelling of 188212046 in words is "one hundred eighty-eight million, two hundred twelve thousand, forty-six".