388260983 has 4 divisors (see below), whose sum is σ = 423557448. Its totient is φ = 352964520.

The previous prime is 388260973. The next prime is 388260989. The reversal of 388260983 is 389062883.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 388260983 - 2⁴ = 388260967 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 (388260989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17648216 + ... + 17648237.

It is an arithmetic number, because the mean of its divisors is an integer number (105889362).

Almost surely, 2^388260983 is an apocalyptic number.

388260983 is a deficient number, since it is larger than the sum of its proper divisors (35296465).

388260983 is a wasteful number, since it uses less digits than its factorization.

388260983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35296464.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 388260983 is about 19704.3391921678. The cubic root of 388260983 is about 729.5267984749.

The spelling of 388260983 in words is "three hundred eighty-eight million, two hundred sixty thousand, nine hundred eighty-three".