384628 has 6 divisors (see below), whose sum is σ = 673106. Its totient is φ = 192312.

The previous prime is 384623. The next prime is 384641. The reversal of 384628 is 826483.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 381924 + 2704 = 618^2 + 52^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 384628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384623) by changing a digit.

384628 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 as a sum of consecutive naturals, namely, 48075 + ... + 48082.

2³⁸⁴⁶²⁸ is an apocalyptic number.

It is an amenable number.

384628 is a deficient number, since it is larger than the sum of its proper divisors (288478).

384628 is a wasteful number, since it uses less digits than its factorization.

384628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96161 (or 96159 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 384628 is about 620.1838437109. The cubic root of 384628 is about 72.7244254567.

The spelling of 384628 in words is "three hundred eighty-four thousand, six hundred twenty-eight".