388075434 has 16 divisors (see below), whose sum is σ = 790795872. Its totient is φ = 126917648.

The previous prime is 388075433. The next prime is 388075483. The reversal of 388075434 is 434570883.

It is not an unprimeable number, because it can be changed into a prime (388075433) 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, 609864 + ... + 610499.

It is an arithmetic number, because the mean of its divisors is an integer number (49424742).

Almost surely, 2^388075434 is an apocalyptic number.

388075434 is an abundant number, since it is smaller than the sum of its proper divisors (402720438).

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

388075434 is a wasteful number, since it uses less digits than its factorization.

388075434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220421.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 388075434 is about 19699.6303010996. The cubic root of 388075434 is about 729.4105669169.

The spelling of 388075434 in words is "three hundred eighty-eight million, seventy-five thousand, four hundred thirty-four".