388326144 has 36 divisors (see below), whose sum is σ = 1033515896. Its totient is φ = 129441792.

The previous prime is 388326101. The next prime is 388326149. The reversal of 388326144 is 441623883.

It is a happy number.

It is a super-2 number, since 2×388326144² = 301594388227817472, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (388326149) 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 3 ways as a sum of consecutive naturals, for example, 252049 + ... + 253584.

Almost surely, 2^388326144 is an apocalyptic number.

It is an amenable number.

388326144 is an abundant number, since it is smaller than the sum of its proper divisors (645189752).

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

388326144 is an equidigital number, since it uses as much as digits as its factorization.

388326144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505652 (or 505638 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 388326144 is about 19705.9925910876. The cubic root of 388326144 is about 729.5676078263.

The spelling of 388326144 in words is "three hundred eighty-eight million, three hundred twenty-six thousand, one hundred forty-four".