388252308 has 96 divisors (see below), whose sum is σ = 993341440. Its totient is φ = 117573120.

The previous prime is 388252301. The next prime is 388252321. The reversal of 388252308 is 803252883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388252301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1151916 + ... + 1152252.

Almost surely, 2^388252308 is an apocalyptic number.

388252308 is a gapful number since it is divisible by the number (38) 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 388252308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496670720).

388252308 is an abundant number, since it is smaller than the sum of its proper divisors (605089132).

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

388252308 is a wasteful number, since it uses less digits than its factorization.

388252308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 388252308 is about 19704.1190617597. The cubic root of 388252308 is about 729.5213651089.

The spelling of 388252308 in words is "three hundred eighty-eight million, two hundred fifty-two thousand, three hundred eight".