388289748 has 96 divisors (see below), whose sum is σ = 1153732608. Its totient is φ = 98697600.

The previous prime is 388289747. The next prime is 388289767. The reversal of 388289748 is 847982883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388289747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38958 + ... + 47898.

It is an arithmetic number, because the mean of its divisors is an integer number (12018048).

Almost surely, 2^388289748 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 388289748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576866304).

388289748 is an abundant number, since it is smaller than the sum of its proper divisors (765442860).

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

388289748 is a wasteful number, since it uses less digits than its factorization.

388289748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9013 (or 9011 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 57.

The square root of 388289748 is about 19705.0690940174. The cubic root of 388289748 is about 729.5448141234.

The spelling of 388289748 in words is "three hundred eighty-eight million, two hundred eighty-nine thousand, seven hundred forty-eight".