388479488 has 40 divisors (see below), whose sum is σ = 783433860. Its totient is φ = 192430080.

The previous prime is 388479473. The next prime is 388479503. The reversal of 388479488 is 884974883.

It is an interprime number because it is at equal distance from previous prime (388479473) and next prime (388479503).

It can be written as a sum of positive squares in 2 ways, for example, as 364351744 + 24127744 = 19088^2 + 4912^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52328 + ... + 59288.

Almost surely, 2^388479488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388479488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391716930).

388479488 is an abundant number, since it is smaller than the sum of its proper divisors (394954372).

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

388479488 is an equidigital number, since it uses as much as digits as its factorization.

388479488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7088 (or 7072 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 59.

The square root of 388479488 is about 19709.8830032043. The cubic root of 388479488 is about 729.6636268508.

The spelling of 388479488 in words is "three hundred eighty-eight million, four hundred seventy-nine thousand, four hundred eighty-eight".