388671480 has 128 divisors (see below), whose sum is σ = 1351987200. Its totient is φ = 99133056.

The previous prime is 388671469. The next prime is 388671497. The reversal of 388671480 is 84176883.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17017 + ... + 32663.

It is an arithmetic number, because the mean of its divisors is an integer number (10562400).

Almost surely, 2^388671480 is an apocalyptic number.

388671480 is a gapful number since it is divisible by the number (30) 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 388671480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (675993600).

388671480 is an abundant number, since it is smaller than the sum of its proper divisors (963315720).

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

388671480 is a wasteful number, since it uses less digits than its factorization.

388671480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15690 (or 15680 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 388671480 is about 19714.7528516084. The cubic root of 388671480 is about 729.7838103797.

The spelling of 388671480 in words is "three hundred eighty-eight million, six hundred seventy-one thousand, four hundred eighty".