188485004 has 6 divisors (see below), whose sum is σ = 329848764. Its totient is φ = 94242500.

The previous prime is 188484979. The next prime is 188485009. The reversal of 188485004 is 400584881.

It is not an unprimeable number, because it can be changed into a prime (188485009) 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, 23560622 + ... + 23560629.

It is an arithmetic number, because the mean of its divisors is an integer number (54974794).

Almost surely, 2^188485004 is an apocalyptic number.

It is an amenable number.

188485004 is a deficient number, since it is larger than the sum of its proper divisors (141363760).

188485004 is a wasteful number, since it uses less digits than its factorization.

188485004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47121255 (or 47121253 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 38.

The square root of 188485004 is about 13728.9840847748. The cubic root of 188485004 is about 573.3576362813.

The spelling of 188485004 in words is "one hundred eighty-eight million, four hundred eighty-five thousand, four".