388265755 has 8 divisors (see below), whose sum is σ = 468359424. Its totient is φ = 308985600.

The previous prime is 388265747. The next prime is 388265767. The reversal of 388265755 is 557562883.

It is a happy number.

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

It is not a de Polignac number, because 388265755 - 2³ = 388265747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 388265699 and 388265708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202326 + ... + 204235.

It is an arithmetic number, because the mean of its divisors is an integer number (58544928).

Almost surely, 2^388265755 is an apocalyptic number.

388265755 is a deficient number, since it is larger than the sum of its proper divisors (80093669).

388265755 is a wasteful number, since it uses less digits than its factorization.

388265755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406757.

The product of its digits is 2016000, while the sum is 49.

The square root of 388265755 is about 19704.4602818753. The cubic root of 388265755 is about 729.5297872615.

The spelling of 388265755 in words is "three hundred eighty-eight million, two hundred sixty-five thousand, seven hundred fifty-five".