939396994 has 4 divisors (see below), whose sum is σ = 1409095494. Its totient is φ = 469698496.

The previous prime is 939396929. The next prime is 939397001. The reversal of 939396994 is 499693939.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 499693939 = 19 ⋅26299681.

It can be written as a sum of positive squares in only one way, i.e., 851880969 + 87516025 = 29187^2 + 9355^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234849247 + ... + 234849250.

Almost surely, 2^939396994 is an apocalyptic number.

939396994 is a deficient number, since it is larger than the sum of its proper divisors (469698500).

939396994 is a wasteful number, since it uses less digits than its factorization.

939396994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469698499.

The product of its digits is 12754584, while the sum is 61.

The square root of 939396994 is about 30649.5839123470. The cubic root of 939396994 is about 979.3765971355.

The spelling of 939396994 in words is "nine hundred thirty-nine million, three hundred ninety-six thousand, nine hundred ninety-four".