388026386 has 16 divisors (see below), whose sum is σ = 636966720. Its totient is φ = 175816080.

The previous prime is 388026347. The next prime is 388026389. The reversal of 388026386 is 683620883.

It is not an unprimeable number, because it can be changed into a prime (388026389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20846 + ... + 34793.

It is an arithmetic number, because the mean of its divisors is an integer number (39810420).

Almost surely, 2^388026386 is an apocalyptic number.

388026386 is a deficient number, since it is larger than the sum of its proper divisors (248940334).

388026386 is a wasteful number, since it uses less digits than its factorization.

388026386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55969.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 388026386 is about 19698.3853653034. The cubic root of 388026386 is about 729.3798360902.

The spelling of 388026386 in words is "three hundred eighty-eight million, twenty-six thousand, three hundred eighty-six".