939049943 has 4 divisors (see below), whose sum is σ = 1011284568. Its totient is φ = 866815320.

The previous prime is 939049913. The next prime is 939049963. The reversal of 939049943 is 349940939.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 939049943 - 2¹⁰ = 939048919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 939049891 and 939049900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (939049913) 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, 36117293 + ... + 36117318.

It is an arithmetic number, because the mean of its divisors is an integer number (252821142).

Almost surely, 2^939049943 is an apocalyptic number.

939049943 is a deficient number, since it is larger than the sum of its proper divisors (72234625).

939049943 is a wasteful number, since it uses less digits than its factorization.

939049943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72234624.

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 939049943 is about 30643.9217953577. The cubic root of 939049943 is about 979.2559752561.

The spelling of 939049943 in words is "nine hundred thirty-nine million, forty-nine thousand, nine hundred forty-three".