939393 has 48 divisors (see below), whose sum is σ = 1770496. Its totient is φ = 466560.

The previous prime is 939391. The next prime is 939413. The reversal of 939393 is 393939.

It is not a de Polignac number, because 939393 - 2¹ = 939391 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

939393 is an undulating number in base 10.

939393 is a modest number, since divided by 9393 gives 93 as remainder.

939393 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (939391) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25371 + ... + 25407.

2⁹³⁹³⁹³ is an apocalyptic number.

939393 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

939393 is a deficient number, since it is larger than the sum of its proper divisors (831103).

939393 is a wasteful number, since it uses less digits than its factorization.

939393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 91 counting only the distinct ones).

The product of its digits is 19683, while the sum is 36.

The square root of 939393 is about 969.2228845833. Note that the first 3 decimals coincide. The cubic root of 939393 is about 97.9375209140.

The spelling of 939393 in words is "nine hundred thirty-nine thousand, three hundred ninety-three".