188748932 has 6 divisors (see below), whose sum is σ = 330310638. Its totient is φ = 94374464.

The previous prime is 188748893. The next prime is 188748941. The reversal of 188748932 is 239847881.

It can be written as a sum of positive squares in only one way, i.e., 159415876 + 29333056 = 12626^2 + 5416^2 .

It is a super-2 number, since 2×188748932² = 71252318662281248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23593613 + ... + 23593620.

It is an arithmetic number, because the mean of its divisors is an integer number (55051773).

Almost surely, 2^188748932 is an apocalyptic number.

It is an amenable number.

188748932 is a deficient number, since it is larger than the sum of its proper divisors (141561706).

188748932 is a wasteful number, since it uses less digits than its factorization.

188748932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47187237 (or 47187235 counting only the distinct ones).

The product of its digits is 774144, while the sum is 50.

The square root of 188748932 is about 13738.5927954795. The cubic root of 188748932 is about 573.6251280435.

The spelling of 188748932 in words is "one hundred eighty-eight million, seven hundred forty-eight thousand, nine hundred thirty-two".