388060920 has 192 divisors, whose sum is σ = 1367664480. Its totient is φ = 94860288.

The previous prime is 388060913. The next prime is 388060927. The reversal of 388060920 is 29060883.

It is an interprime number because it is at equal distance from previous prime (388060913) and next prime (388060927).

It is a super-4 number, since 4×388060920⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388060927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1324294 + ... + 1324586.

Almost surely, 2^388060920 is an apocalyptic number.

388060920 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 388060920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (683832240).

388060920 is an abundant number, since it is smaller than the sum of its proper divisors (979603560).

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

388060920 is a wasteful number, since it uses less digits than its factorization.

388060920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 388060920 is about 19699.2619151074. The cubic root of 388060920 is about 729.4014734985.

The spelling of 388060920 in words is "three hundred eighty-eight million, sixty thousand, nine hundred twenty".