188049693 has 16 divisors (see below), whose sum is σ = 270601856. Its totient is φ = 115473600.

The previous prime is 188049629. The next prime is 188049709. The reversal of 188049693 is 396940881.

It is not a de Polignac number, because 188049693 - 2⁶ = 188049629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188049293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14043 + ... + 23943.

It is an arithmetic number, because the mean of its divisors is an integer number (16912616).

Almost surely, 2^188049693 is an apocalyptic number.

188049693 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

188049693 is a deficient number, since it is larger than the sum of its proper divisors (82552163).

188049693 is a wasteful number, since it uses less digits than its factorization.

188049693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10404.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 188049693 is about 13713.1211983268. The cubic root of 188049693 is about 572.9159012685.

The spelling of 188049693 in words is "one hundred eighty-eight million, forty-nine thousand, six hundred ninety-three".