388703334 has 16 divisors (see below), whose sum is σ = 823136688. Its totient is φ = 121946112.

The previous prime is 388703321. The next prime is 388703383. The reversal of 388703334 is 433307883.

It is a junction number, because it is equal to n+sod(n) for n = 388703292 and 388703301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1905307 + ... + 1905510.

It is an arithmetic number, because the mean of its divisors is an integer number (51446043).

Almost surely, 2^388703334 is an apocalyptic number.

388703334 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

388703334 is an abundant number, since it is smaller than the sum of its proper divisors (434433354).

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

388703334 is a wasteful number, since it uses less digits than its factorization.

388703334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810839.

The product of its (nonzero) digits is 145152, while the sum is 39.

The square root of 388703334 is about 19715.5607072180. The cubic root of 388703334 is about 729.8037465809.

The spelling of 388703334 in words is "three hundred eighty-eight million, seven hundred three thousand, three hundred thirty-four".