388480630 has 16 divisors (see below), whose sum is σ = 702929664. Its totient is φ = 154577920.

The previous prime is 388480621. The next prime is 388480633. The reversal of 388480630 is 36084883.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388480633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99787 + ... + 103606.

It is an arithmetic number, because the mean of its divisors is an integer number (43933104).

Almost surely, 2^388480630 is an apocalyptic number.

388480630 is a deficient number, since it is larger than the sum of its proper divisors (314449034).

388480630 is a wasteful number, since it uses less digits than its factorization.

388480630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203591.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 388480630 is about 19709.9119734209. The cubic root of 388480630 is about 729.6643418392.

The spelling of 388480630 in words is "three hundred eighty-eight million, four hundred eighty thousand, six hundred thirty".