388834652 has 12 divisors (see below), whose sum is σ = 697057536. Its totient is φ = 189675360.

The previous prime is 388834651. The next prime is 388834687. The reversal of 388834652 is 256438883.

It is a happy number.

It is a super-2 number, since 2×388834652² = 302384773191922208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 388834597 and 388834606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388834651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1185308 + ... + 1185635.

It is an arithmetic number, because the mean of its divisors is an integer number (58088128).

Almost surely, 2^388834652 is an apocalyptic number.

It is an amenable number.

388834652 is a deficient number, since it is larger than the sum of its proper divisors (308222884).

388834652 is a wasteful number, since it uses less digits than its factorization.

388834652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2370988 (or 2370986 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 388834652 is about 19718.8907395928. The cubic root of 388834652 is about 729.8859219999.

The spelling of 388834652 in words is "three hundred eighty-eight million, eight hundred thirty-four thousand, six hundred fifty-two".