388143350 has 48 divisors (see below), whose sum is σ = 826956000. Its totient is φ = 132775680.

The previous prime is 388143347. The next prime is 388143373. The reversal of 388143350 is 53341883.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 388143350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198176 + ... + 200124.

It is an arithmetic number, because the mean of its divisors is an integer number (17228250).

Almost surely, 2^388143350 is an apocalyptic number.

388143350 is an abundant number, since it is smaller than the sum of its proper divisors (438812650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388143350 is a wasteful number, since it uses less digits than its factorization.

388143350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2537 (or 2532 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 388143350 is about 19701.3540143819. The cubic root of 388143350 is about 729.4531151384.

The spelling of 388143350 in words is "three hundred eighty-eight million, one hundred forty-three thousand, three hundred fifty".