388261255 has 8 divisors (see below), whose sum is σ = 466142832. Its totient is φ = 310456128.

The previous prime is 388261253. The next prime is 388261261. The reversal of 388261255 is 552162883.

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

It is a cyclic number.

It is not a de Polignac number, because 388261255 - 2¹ = 388261253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388261253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7269 + ... + 28798.

It is an arithmetic number, because the mean of its divisors is an integer number (58267854).

Almost surely, 2^388261255 is an apocalyptic number.

388261255 is a deficient number, since it is larger than the sum of its proper divisors (77881577).

388261255 is a wasteful number, since it uses less digits than its factorization.

388261255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38225.

The product of its digits is 115200, while the sum is 40.

The square root of 388261255 is about 19704.3460941996. The cubic root of 388261255 is about 729.5269688339.

The spelling of 388261255 in words is "three hundred eighty-eight million, two hundred sixty-one thousand, two hundred fifty-five".