388043460 has 240 divisors, whose sum is σ = 1465242240. Its totient is φ = 83980800.

The previous prime is 388043443. The next prime is 388043473. The reversal of 388043460 is 64340883.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 79 ways as a sum of consecutive naturals, for example, 214560 + ... + 216360.

It is an arithmetic number, because the mean of its divisors is an integer number (6105176).

Almost surely, 2^388043460 is an apocalyptic number.

388043460 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 388043460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (732621120).

388043460 is an abundant number, since it is smaller than the sum of its proper divisors (1077198780).

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

388043460 is a wasteful number, since it uses less digits than its factorization.

388043460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1848 (or 1837 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 388043460 is about 19698.8187463107. The cubic root of 388043460 is about 729.3905340299.

The spelling of 388043460 in words is "three hundred eighty-eight million, forty-three thousand, four hundred sixty".