388536248 has 8 divisors (see below), whose sum is σ = 728505480. Its totient is φ = 194268120.

The previous prime is 388536233. The next prime is 388536257. The reversal of 388536248 is 842635883.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×388536248³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24283508 + ... + 24283523.

It is an arithmetic number, because the mean of its divisors is an integer number (91063185).

Almost surely, 2^388536248 is an apocalyptic number.

It is an amenable number.

388536248 is a deficient number, since it is larger than the sum of its proper divisors (339969232).

388536248 is a wasteful number, since it uses less digits than its factorization.

388536248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48567037 (or 48567033 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 47.

The square root of 388536248 is about 19711.3228373948. The cubic root of 388536248 is about 729.6991617090.

The spelling of 388536248 in words is "three hundred eighty-eight million, five hundred thirty-six thousand, two hundred forty-eight".