388894000 has 120 divisors (see below), whose sum is σ = 1034246304. Its totient is φ = 141328000.

The previous prime is 388893991. The next prime is 388894001. The reversal of 388894000 is 498883.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (388894001) 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 23 ways as a sum of consecutive naturals, for example, 241197 + ... + 242803.

Almost surely, 2^388894000 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 388894000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (517123152).

388894000 is an abundant number, since it is smaller than the sum of its proper divisors (645352304).

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

388894000 is a wasteful number, since it uses less digits than its factorization.

388894000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1625 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 388894000 is about 19720.3955335587. The cubic root of 388894000 is about 729.9230543781.

The spelling of 388894000 in words is "three hundred eighty-eight million, eight hundred ninety-four thousand".