388146332 has 24 divisors (see below), whose sum is σ = 777240576. Its totient is φ = 166145328.

The previous prime is 388146331. The next prime is 388146347. The reversal of 388146332 is 233641883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388146331) 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 7 ways as a sum of consecutive naturals, for example, 16133 + ... + 32195.

It is an arithmetic number, because the mean of its divisors is an integer number (32385024).

Almost surely, 2^388146332 is an apocalyptic number.

It is an amenable number.

388146332 is an abundant number, since it is smaller than the sum of its proper divisors (389094244).

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

388146332 is a wasteful number, since it uses less digits than its factorization.

388146332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16937 (or 16935 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 388146332 is about 19701.4296943141. The cubic root of 388146332 is about 729.4549831970.

The spelling of 388146332 in words is "three hundred eighty-eight million, one hundred forty-six thousand, three hundred thirty-two".