393028 has 6 divisors (see below), whose sum is σ = 687806. Its totient is φ = 196512.

The previous prime is 393017. The next prime is 393031. The reversal of 393028 is 820393.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 278784 + 114244 = 528^2 + 338^2 .

It is a junction number, because it is equal to n+sod(n) for n = 392993 and 393011.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49125 + ... + 49132.

2³⁹³⁰²⁸ is an apocalyptic number.

It is an amenable number.

393028 is a deficient number, since it is larger than the sum of its proper divisors (294778).

393028 is a wasteful number, since it uses less digits than its factorization.

393028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98261 (or 98259 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 393028 is about 626.9194525615. The cubic root of 393028 is about 73.2500339744.

The spelling of 393028 in words is "three hundred ninety-three thousand, twenty-eight".