188764452 has 48 divisors (see below), whose sum is σ = 492266880. Its totient is φ = 62551584.

The previous prime is 188764441. The next prime is 188764463. The reversal of 188764452 is 254467881.

It is an interprime number because it is at equal distance from previous prime (188764441) and next prime (188764463).

It is a junction number, because it is equal to n+sod(n) for n = 188764398 and 188764407.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13633 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (10255560).

Almost surely, 2^188764452 is an apocalyptic number.

188764452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 188764452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (246133440).

188764452 is an abundant number, since it is smaller than the sum of its proper divisors (303502428).

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

188764452 is a wasteful number, since it uses less digits than its factorization.

188764452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10289 (or 10281 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 188764452 is about 13739.1576160986. The cubic root of 188764452 is about 573.6408498419.

The spelling of 188764452 in words is "one hundred eighty-eight million, seven hundred sixty-four thousand, four hundred fifty-two".