388098144 has 144 divisors (see below), whose sum is σ = 1267418880. Its totient is φ = 110350080.

The previous prime is 388098133. The next prime is 388098163. The reversal of 388098144 is 441890883.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 388098144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 626667 + ... + 627285.

It is an arithmetic number, because the mean of its divisors is an integer number (8801520).

Almost surely, 2^388098144 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 388098144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633709440).

388098144 is an abundant number, since it is smaller than the sum of its proper divisors (879320736).

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

388098144 is a wasteful number, since it uses less digits than its factorization.

388098144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953 (or 942 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 388098144 is about 19700.2066994232. The cubic root of 388098144 is about 729.4247948989.

The spelling of 388098144 in words is "three hundred eighty-eight million, ninety-eight thousand, one hundred forty-four".