188806948 has 18 divisors (see below), whose sum is σ = 363181238. Its totient is φ = 85821120.

The previous prime is 188806901. The next prime is 188806949. The reversal of 188806948 is 849608881.

It can be written as a sum of positive squares in only one way, i.e., 176570944 + 12236004 = 13288^2 + 3498^2 .

It is a super-2 number, since 2×188806948² = 71296127226149408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 188806895 and 188806904.

It is not an unprimeable number, because it can be changed into a prime (188806949) 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 in 5 ways as a sum of consecutive naturals, for example, 194565 + ... + 195532.

Almost surely, 2^188806948 is an apocalyptic number.

It is an amenable number.

188806948 is a deficient number, since it is larger than the sum of its proper divisors (174374290).

188806948 is a wasteful number, since it uses less digits than its factorization.

188806948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390123 (or 390110 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 52.

The square root of 188806948 is about 13740.7040576529. The cubic root of 188806948 is about 573.6838939854.

The spelling of 188806948 in words is "one hundred eighty-eight million, eight hundred six thousand, nine hundred forty-eight".