388387269 has 12 divisors (see below), whose sum is σ = 585395616. Its totient is φ = 247667112.

The previous prime is 388387213. The next prime is 388387271. The reversal of 388387269 is 962783883.

It is not a de Polignac number, because 388387269 - 2²⁴ = 371610053 is a prime.

It is a super-2 number, since 2×388387269² = 301689341442556722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388387289) 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, 937927 + ... + 938340.

It is an arithmetic number, because the mean of its divisors is an integer number (48782968).

Almost surely, 2^388387269 is an apocalyptic number.

It is an amenable number.

388387269 is a deficient number, since it is larger than the sum of its proper divisors (197008347).

388387269 is a wasteful number, since it uses less digits than its factorization.

388387269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876296 (or 1876293 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The square root of 388387269 is about 19707.5434542208. The cubic root of 388387269 is about 729.6058853421.

The spelling of 388387269 in words is "three hundred eighty-eight million, three hundred eighty-seven thousand, two hundred sixty-nine".