188752340 has 24 divisors (see below), whose sum is σ = 453005952. Its totient is φ = 64715040.

The previous prime is 188752337. The next prime is 188752349. The reversal of 188752340 is 43257881.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 188752294 and 188752303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (188752349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673976 + ... + 674255.

It is an arithmetic number, because the mean of its divisors is an integer number (18875248).

Almost surely, 2^188752340 is an apocalyptic number.

188752340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

188752340 is an abundant number, since it is smaller than the sum of its proper divisors (264253612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

188752340 is a wasteful number, since it uses less digits than its factorization.

188752340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348247 (or 1348245 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 188752340 is about 13738.7168250896. The cubic root of 188752340 is about 573.6285804298.

The spelling of 188752340 in words is "one hundred eighty-eight million, seven hundred fifty-two thousand, three hundred forty".