388761012 has 24 divisors (see below), whose sum is σ = 1007899200. Its totient is φ = 129586968.

The previous prime is 388761011. The next prime is 388761047. The reversal of 388761012 is 210167883.

388761012 is a `hidden beast` number, since 38 + 8 + 7 + 610 + 1 + 2 = 666.

It is a super-2 number, since 2×388761012² = 302270248902528288, which contains 22 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 (388761011) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1799712 + ... + 1799927.

It is an arithmetic number, because the mean of its divisors is an integer number (41995800).

Almost surely, 2^388761012 is an apocalyptic number.

It is an amenable number.

388761012 is an abundant number, since it is smaller than the sum of its proper divisors (619138188).

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

388761012 is a wasteful number, since it uses less digits than its factorization.

388761012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3599652 (or 3599644 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 388761012 is about 19717.0234061838. The cubic root of 388761012 is about 729.8398422653.

The spelling of 388761012 in words is "three hundred eighty-eight million, seven hundred sixty-one thousand, twelve".