939847049 has 8 divisors (see below), whose sum is σ = 956668320. Its totient is φ = 923055616.

The previous prime is 939847021. The next prime is 939847061. The reversal of 939847049 is 940748939.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-939847049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (939847949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61769 + ... + 75465.

It is an arithmetic number, because the mean of its divisors is an integer number (119583540).

Almost surely, 2^939847049 is an apocalyptic number.

It is an amenable number.

939847049 is a deficient number, since it is larger than the sum of its proper divisors (16821271).

939847049 is a wasteful number, since it uses less digits than its factorization.

939847049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14919.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 939847049 is about 30656.9249762594. The cubic root of 939847049 is about 979.5329750978.

The spelling of 939847049 in words is "nine hundred thirty-nine million, eight hundred forty-seven thousand, forty-nine".