388509052 has 6 divisors (see below), whose sum is σ = 679890848. Its totient is φ = 194254524.

The previous prime is 388509049. The next prime is 388509053. The reversal of 388509052 is 250905883.

It is a junction number, because it is equal to n+sod(n) for n = 388508996 and 388509014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388509053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48563628 + ... + 48563635.

Almost surely, 2^388509052 is an apocalyptic number.

It is an amenable number.

388509052 is a deficient number, since it is larger than the sum of its proper divisors (291381796).

388509052 is a wasteful number, since it uses less digits than its factorization.

388509052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97127267 (or 97127265 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 388509052 is about 19710.6329680201. The cubic root of 388509052 is about 729.6821359604.

The spelling of 388509052 in words is "three hundred eighty-eight million, five hundred nine thousand, fifty-two".