993028 has 6 divisors (see below), whose sum is σ = 1737806. Its totient is φ = 496512.

The previous prime is 993011. The next prime is 993037. The reversal of 993028 is 820399.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 186624 = 898^2 + 432^2 .

It is a super-2 number, since 2×993028² = 1972209217568, which contains 22 as substring.

It is an unprimeable number.

993028 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, 124125 + ... + 124132.

2⁹⁹³⁰²⁸ is an apocalyptic number.

It is an amenable number.

993028 is a deficient number, since it is larger than the sum of its proper divisors (744778).

993028 is a wasteful number, since it uses less digits than its factorization.

993028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248261 (or 248259 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 993028 is about 996.5079026280. The cubic root of 993028 is about 99.7670578006.

The spelling of 993028 in words is "nine hundred ninety-three thousand, twenty-eight".