388094478 has 16 divisors (see below), whose sum is σ = 784192080. Its totient is φ = 128030976.

The previous prime is 388094477. The next prime is 388094491. The reversal of 388094478 is 874490883.

It is a self number, because there is not a number n which added to its sum of digits gives 388094478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388094477) 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, 332833 + ... + 333996.

It is an arithmetic number, because the mean of its divisors is an integer number (49012005).

Almost surely, 2^388094478 is an apocalyptic number.

388094478 is an abundant number, since it is smaller than the sum of its proper divisors (396097602).

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

388094478 is a wasteful number, since it uses less digits than its factorization.

388094478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666931.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The square root of 388094478 is about 19700.1136544945. The cubic root of 388094478 is about 729.4224981605.

The spelling of 388094478 in words is "three hundred eighty-eight million, ninety-four thousand, four hundred seventy-eight".