388435026 has 32 divisors (see below), whose sum is σ = 888606720. Its totient is φ = 110887056.

The previous prime is 388435009. The next prime is 388435027. The reversal of 388435026 is 620534883.

It is not an unprimeable number, because it can be changed into a prime (388435027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57225 + ... + 63651.

It is an arithmetic number, because the mean of its divisors is an integer number (27768960).

Almost surely, 2^388435026 is an apocalyptic number.

388435026 is an abundant number, since it is smaller than the sum of its proper divisors (500171694).

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

388435026 is a wasteful number, since it uses less digits than its factorization.

388435026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7878.

The product of its (nonzero) digits is 138240, while the sum is 39.

The square root of 388435026 is about 19708.7550596175. The cubic root of 388435026 is about 729.6357887942.

The spelling of 388435026 in words is "three hundred eighty-eight million, four hundred thirty-five thousand, twenty-six".