388892112 has 80 divisors (see below), whose sum is σ = 1150735872. Its totient is φ = 110862720.

The previous prime is 388892107. The next prime is 388892123. The reversal of 388892112 is 211298883.

It is a super-3 number, since 3×388892112³ (a number of 27 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 190843 + ... + 192869.

Almost surely, 2^388892112 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 388892112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575367936).

388892112 is an abundant number, since it is smaller than the sum of its proper divisors (761843760).

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

388892112 is a wasteful number, since it uses less digits than its factorization.

388892112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2616 (or 2610 counting only the distinct ones).

The product of its digits is 55296, while the sum is 42.

The square root of 388892112 is about 19720.3476642781. The cubic root of 388892112 is about 729.9218731677.

The spelling of 388892112 in words is "three hundred eighty-eight million, eight hundred ninety-two thousand, one hundred twelve".