388214400 has 384 divisors, whose sum is σ = 1502582400. Its totient is φ = 86261760.

The previous prime is 388214383. The next prime is 388214413. The reversal of 388214400 is 4412883.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 3561546 + ... + 3561654.

It is an arithmetic number, because the mean of its divisors is an integer number (3912975).

Almost surely, 2^388214400 is an apocalyptic number.

388214400 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 388214400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751291200).

388214400 is an abundant number, since it is smaller than the sum of its proper divisors (1114368000).

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

388214400 is a wasteful number, since it uses less digits than its factorization.

388214400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 179 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 388214400 is about 19703.1571074282. The cubic root of 388214400 is about 729.4976214458.

The spelling of 388214400 in words is "three hundred eighty-eight million, two hundred fourteen thousand, four hundred".