387028 has 6 divisors (see below), whose sum is σ = 677306. Its totient is φ = 193512.

The previous prime is 387017. The next prime is 387031. The reversal of 387028 is 820783.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 386884 + 144 = 622^2 + 12^2 .

It is a junction number, because it is equal to n+sod(n) for n = 386987 and 387005.

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, 48375 + ... + 48382.

2³⁸⁷⁰²⁸ is an apocalyptic number.

It is an amenable number.

387028 is a deficient number, since it is larger than the sum of its proper divisors (290278).

387028 is a wasteful number, since it uses less digits than its factorization.

387028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96761 (or 96759 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 387028 is about 622.1157448578. The cubic root of 387028 is about 72.8753737721.

The spelling of 387028 in words is "three hundred eighty-seven thousand, twenty-eight".