388050330 has 64 divisors (see below), whose sum is σ = 1007147520. Its totient is φ = 95314944.

The previous prime is 388050323. The next prime is 388050359. The reversal of 388050330 is 33050883.

It is a super-2 number, since 2×388050330² = 301166117226217800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15876 + ... + 32064.

It is an arithmetic number, because the mean of its divisors is an integer number (15736680).

Almost surely, 2^388050330 is an apocalyptic number.

388050330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 388050330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503573760).

388050330 is an abundant number, since it is smaller than the sum of its proper divisors (619097190).

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

388050330 is a wasteful number, since it uses less digits than its factorization.

388050330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16263.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 388050330 is about 19698.9931214770. The cubic root of 388050330 is about 729.3948384304.

The spelling of 388050330 in words is "three hundred eighty-eight million, fifty thousand, three hundred thirty".