188029394 has 8 divisors (see below), whose sum is σ = 322336128. Its totient is φ = 80584020.

The previous prime is 188029357. The next prime is 188029397. The reversal of 188029394 is 493920881.

It is a happy number.

188029394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (188029397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6715322 + ... + 6715349.

It is an arithmetic number, because the mean of its divisors is an integer number (40292016).

Almost surely, 2^188029394 is an apocalyptic number.

188029394 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

188029394 is a deficient number, since it is larger than the sum of its proper divisors (134306734).

188029394 is a wasteful number, since it uses less digits than its factorization.

188029394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13430680.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 188029394 is about 13712.3810477976. The cubic root of 188029394 is about 572.8952860823.

The spelling of 188029394 in words is "one hundred eighty-eight million, twenty-nine thousand, three hundred ninety-four".