388249200 has 300 divisors, whose sum is σ = 1456768368. Its totient is φ = 98841600.

The previous prime is 388249159. The next prime is 388249207. The reversal of 388249200 is 2942883.

It is a tau number, because it is divible by the number of its divisors (300).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388249207) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 744940 + ... + 745460.

Almost surely, 2^388249200 is an apocalyptic number.

388249200 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 388249200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (728384184).

388249200 is an abundant number, since it is smaller than the sum of its proper divisors (1068519168).

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

388249200 is a wasteful number, since it uses less digits than its factorization.

388249200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 554 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 388249200 is about 19704.0401948433. The cubic root of 388249200 is about 729.5194184723.

The spelling of 388249200 in words is "three hundred eighty-eight million, two hundred forty-nine thousand, two hundred".