940584839 has 4 divisors (see below), whose sum is σ = 981479856. Its totient is φ = 899689824.

The previous prime is 940584829. The next prime is 940584851. The reversal of 940584839 is 938485049.

It is a happy number.

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 940584839 - 2²⁴ = 923807623 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 (940584809) 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 3 ways as a sum of consecutive naturals, for example, 20447474 + ... + 20447519.

It is an arithmetic number, because the mean of its divisors is an integer number (245369964).

Almost surely, 2^940584839 is an apocalyptic number.

940584839 is a deficient number, since it is larger than the sum of its proper divisors (40895017).

940584839 is a wasteful number, since it uses less digits than its factorization.

940584839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40895016.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 940584839 is about 30668.9556229096. The cubic root of 940584839 is about 979.7892226828.

The spelling of 940584839 in words is "nine hundred forty million, five hundred eighty-four thousand, eight hundred thirty-nine".