939425213 has 4 divisors (see below), whose sum is σ = 940147488. Its totient is φ = 938702940.

The previous prime is 939425191. The next prime is 939425281. The reversal of 939425213 is 312524939.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 939425213 - 2⁸ = 939424957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939425713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359183 + ... + 361788.

It is an arithmetic number, because the mean of its divisors is an integer number (235036872).

Almost surely, 2^939425213 is an apocalyptic number.

It is an amenable number.

939425213 is a deficient number, since it is larger than the sum of its proper divisors (722275).

939425213 is a wasteful number, since it uses less digits than its factorization.

939425213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722274.

The product of its digits is 58320, while the sum is 38.

The square root of 939425213 is about 30650.0442577168. The cubic root of 939425213 is about 979.3864036928.

The spelling of 939425213 in words is "nine hundred thirty-nine million, four hundred twenty-five thousand, two hundred thirteen".