388641094 has 8 divisors (see below), whose sum is σ = 583146648. Its totient is φ = 194258880.

The previous prime is 388641089. The next prime is 388641107. The reversal of 388641094 is 490146883.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 388641094.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22507 + ... + 35830.

It is an arithmetic number, because the mean of its divisors is an integer number (72893331).

Almost surely, 2^388641094 is an apocalyptic number.

388641094 is a deficient number, since it is larger than the sum of its proper divisors (194505554).

388641094 is a wasteful number, since it uses less digits than its factorization.

388641094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61670.

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 388641094 is about 19713.9821953861. The cubic root of 388641094 is about 729.7647919284.

The spelling of 388641094 in words is "three hundred eighty-eight million, six hundred forty-one thousand, ninety-four".