939494643 has 8 divisors (see below), whose sum is σ = 1295854800. Its totient is φ = 604732128.

The previous prime is 939494603. The next prime is 939494651. The reversal of 939494643 is 346494939.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 939494643 - 2¹⁰ = 939493619 is a prime.

It is not an unprimeable number, because it can be changed into a prime (939494603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5399308 + ... + 5399481.

It is an arithmetic number, because the mean of its divisors is an integer number (161981850).

Almost surely, 2^939494643 is an apocalyptic number.

939494643 is a deficient number, since it is larger than the sum of its proper divisors (356360157).

939494643 is a wasteful number, since it uses less digits than its factorization.

939494643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10798821.

The product of its digits is 2519424, while the sum is 51.

The square root of 939494643 is about 30651.1768615823. The cubic root of 939494643 is about 979.4105309009.

The spelling of 939494643 in words is "nine hundred thirty-nine million, four hundred ninety-four thousand, six hundred forty-three".