388463460 has 192 divisors, whose sum is σ = 1385717760. Its totient is φ = 78958080.

The previous prime is 388463443. The next prime is 388463483. The reversal of 388463460 is 64364883.

It is a Harshad number since it is a multiple of its sum of digits (42).

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 63 ways as a sum of consecutive naturals, for example, 216246 + ... + 218034.

It is an arithmetic number, because the mean of its divisors is an integer number (7217280).

Almost surely, 2^388463460 is an apocalyptic number.

388463460 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 388463460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (692858880).

388463460 is an abundant number, since it is smaller than the sum of its proper divisors (997254300).

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

388463460 is a wasteful number, since it uses less digits than its factorization.

388463460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 388463460 is about 19709.4764009600. The cubic root of 388463460 is about 729.6535918212.

The spelling of 388463460 in words is "three hundred eighty-eight million, four hundred sixty-three thousand, four hundred sixty".