339993 has 12 divisors (see below), whose sum is σ = 504868. Its totient is φ = 220320.
The previous prime is 339991. The next prime is 340007. The reversal of 339993 is 399933.
It can be written as a sum of positive squares in 2 ways, for example, as 257049 + 82944 = 507^2 + 288^2 .
It is not a de Polignac number, because 339993 - 21 = 339991 is a prime.
It is a nude number because it is divisible by every one of its digits.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (339991) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178 + ... + 843.
2339993 is an apocalyptic number.
It is an amenable number.
339993 is a deficient number, since it is larger than the sum of its proper divisors (164875).
339993 is a wasteful number, since it uses less digits than its factorization.
339993 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1064 (or 1061 counting only the distinct ones).
The product of its digits is 19683, while the sum is 36.
The square root of 339993 is about 583.0891870032. The cubic root of 339993 is about 69.7948414783.
The spelling of 339993 in words is "three hundred thirty-nine thousand, nine hundred ninety-three".
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