388652121 has 48 divisors (see below), whose sum is σ = 681640960. Its totient is φ = 217404000.

The previous prime is 388652119. The next prime is 388652123. The reversal of 388652121 is 121256883.

It is a happy number.

388652121 is a `hidden beast` number, since 38 + 86 + 521 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (388652119) and next prime (388652123).

It is not a de Polignac number, because 388652121 - 2¹ = 388652119 is a prime.

It is not an unprimeable number, because it can be changed into a prime (388652123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37896 + ... + 47046.

Almost surely, 2^388652121 is an apocalyptic number.

It is an amenable number.

388652121 is a deficient number, since it is larger than the sum of its proper divisors (292988839).

388652121 is a wasteful number, since it uses less digits than its factorization.

388652121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9195 (or 9178 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 388652121 is about 19714.2618679980. The cubic root of 388652121 is about 729.7716937893.

The spelling of 388652121 in words is "three hundred eighty-eight million, six hundred fifty-two thousand, one hundred twenty-one".