388248144 has 40 divisors (see below), whose sum is σ = 1010887680. Its totient is φ = 128395008.

The previous prime is 388248137. The next prime is 388248197. The reversal of 388248144 is 441842883.

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

It is a junction number, because it is equal to n+sod(n) for n = 388248096 and 388248105.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 25749 + ... + 37940.

It is an arithmetic number, because the mean of its divisors is an integer number (25272192).

Almost surely, 2^388248144 is an apocalyptic number.

It is an amenable number.

388248144 is an abundant number, since it is smaller than the sum of its proper divisors (622639536).

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

388248144 is a wasteful number, since it uses less digits than its factorization.

388248144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63827 (or 63821 counting only the distinct ones).

The product of its digits is 196608, while the sum is 42.

The square root of 388248144 is about 19704.0133982902. The cubic root of 388248144 is about 729.5187570644.

The spelling of 388248144 in words is "three hundred eighty-eight million, two hundred forty-eight thousand, one hundred forty-four".