939342641 has 4 divisors (see below), whose sum is σ = 940943472. Its totient is φ = 937741812.

The previous prime is 939342631. The next prime is 939342647. The reversal of 939342641 is 146243939.

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, and also an emirpimes, since its reverse is a distinct semiprime: 146243939 = 1499 ⋅97561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-939342641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (939342647) 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, 799535 + ... + 800708.

It is an arithmetic number, because the mean of its divisors is an integer number (235235868).

Almost surely, 2^939342641 is an apocalyptic number.

It is an amenable number.

939342641 is a deficient number, since it is larger than the sum of its proper divisors (1600831).

939342641 is a wasteful number, since it uses less digits than its factorization.

939342641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600830.

The product of its digits is 139968, while the sum is 41.

The square root of 939342641 is about 30648.6972153793. The cubic root of 939342641 is about 979.3577080385.

The spelling of 939342641 in words is "nine hundred thirty-nine million, three hundred forty-two thousand, six hundred forty-one".