388494366 has 32 divisors (see below), whose sum is σ = 837529728. Its totient is φ = 119426400.

The previous prime is 388494361. The next prime is 388494371. The reversal of 388494366 is 663494883.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (388494361) and next prime (388494371).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388494361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134841 + ... + 137691.

It is an arithmetic number, because the mean of its divisors is an integer number (26172804).

Almost surely, 2^388494366 is an apocalyptic number.

388494366 is an abundant number, since it is smaller than the sum of its proper divisors (449035362).

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

388494366 is a wasteful number, since it uses less digits than its factorization.

388494366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4616.

The product of its digits is 2985984, while the sum is 51.

The square root of 388494366 is about 19710.2604244591. The cubic root of 388494366 is about 729.6729416256.

The spelling of 388494366 in words is "three hundred eighty-eight million, four hundred ninety-four thousand, three hundred sixty-six".