388411249 has 8 divisors (see below), whose sum is σ = 394696640. Its totient is φ = 382174416.

The previous prime is 388411229. The next prime is 388411259. The reversal of 388411249 is 942114883.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-388411249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (388411229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4162 + ... + 28180.

It is an arithmetic number, because the mean of its divisors is an integer number (49337080).

Almost surely, 2^388411249 is an apocalyptic number.

It is an amenable number.

388411249 is a deficient number, since it is larger than the sum of its proper divisors (6285391).

388411249 is a wasteful number, since it uses less digits than its factorization.

388411249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24279.

The product of its digits is 55296, while the sum is 40.

The square root of 388411249 is about 19708.1518413067. The cubic root of 388411249 is about 729.6209009296.

The spelling of 388411249 in words is "three hundred eighty-eight million, four hundred eleven thousand, two hundred forty-nine".