388308380 has 48 divisors (see below), whose sum is σ = 825237504. Its totient is φ = 153472320.

The previous prime is 388308367. The next prime is 388308383. The reversal of 388308380 is 83803883.

388308380 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388308383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1013669 + ... + 1014051.

It is an arithmetic number, because the mean of its divisors is an integer number (17192448).

Almost surely, 2^388308380 is an apocalyptic number.

It is an amenable number.

388308380 is an abundant number, since it is smaller than the sum of its proper divisors (436929124).

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

388308380 is a wasteful number, since it uses less digits than its factorization.

388308380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866 (or 864 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 388308380 is about 19705.5418600961. The cubic root of 388308380 is about 729.5564829537.

The spelling of 388308380 in words is "three hundred eighty-eight million, three hundred eight thousand, three hundred eighty".