388869120 has 352 divisors, whose sum is σ = 1444363200. Its totient is φ = 99090432.

The previous prime is 388869097. The next prime is 388869161. The reversal of 388869120 is 21968883.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4008912 + ... + 4009008.

Almost surely, 2^388869120 is an apocalyptic number.

388869120 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 388869120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722181600).

388869120 is an abundant number, since it is smaller than the sum of its proper divisors (1055494080).

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

388869120 is a wasteful number, since it uses less digits than its factorization.

388869120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 45.

The square root of 388869120 is about 19719.7647044786. The cubic root of 388869120 is about 729.9074881202.

The spelling of 388869120 in words is "three hundred eighty-eight million, eight hundred sixty-nine thousand, one hundred twenty".