388946 has 8 divisors (see below), whose sum is σ = 588924. Its totient is φ = 192640.

The previous prime is 388937. The next prime is 388961. The reversal of 388946 is 649883.

It can be written as a sum of positive squares in 2 ways, for example, as 373321 + 15625 = 611^2 + 125^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

388946 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635 + ... + 1086.

2³⁸⁸⁹⁴⁶ is an apocalyptic number.

388946 is a deficient number, since it is larger than the sum of its proper divisors (199978).

388946 is a wasteful number, since it uses less digits than its factorization.

388946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836.

The product of its digits is 41472, while the sum is 38.

The square root of 388946 is about 623.6553535407. The cubic root of 388946 is about 72.9955586214.

The spelling of 388946 in words is "three hundred eighty-eight thousand, nine hundred forty-six".