388460628 has 36 divisors (see below), whose sum is σ = 1013620608. Its totient is φ = 125309520.

The previous prime is 388460621. The next prime is 388460647. The reversal of 388460628 is 826064883.

It is a happy number.

388460628 is a `hidden beast` number, since 38 + 8 + 4 + 606 + 2 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388460621) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172926 + ... + 175157.

It is an arithmetic number, because the mean of its divisors is an integer number (28156128).

Almost surely, 2^388460628 is an apocalyptic number.

It is an amenable number.

388460628 is an abundant number, since it is smaller than the sum of its proper divisors (625159980).

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

388460628 is a wasteful number, since it uses less digits than its factorization.

388460628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348124 (or 348119 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 388460628 is about 19709.4045572158. The cubic root of 388460628 is about 729.6518186952.

The spelling of 388460628 in words is "three hundred eighty-eight million, four hundred sixty thousand, six hundred twenty-eight".