388023826 has 8 divisors (see below), whose sum is σ = 589403520. Its totient is φ = 191555988.

The previous prime is 388023821. The next prime is 388023841. The reversal of 388023826 is 628320883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (388023821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1227766 + ... + 1228081.

It is an arithmetic number, because the mean of its divisors is an integer number (73675440).

Almost surely, 2^388023826 is an apocalyptic number.

388023826 is a deficient number, since it is larger than the sum of its proper divisors (201379694).

388023826 is a wasteful number, since it uses less digits than its factorization.

388023826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2455928.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 388023826 is about 19698.3203852511. The cubic root of 388023826 is about 729.3782320614.

The spelling of 388023826 in words is "three hundred eighty-eight million, twenty-three thousand, eight hundred twenty-six".