7916939 has 8 divisors (see below), whose sum is σ = 8370000. Its totient is φ = 7467552.

The previous prime is 7916933. The next prime is 7916947. The reversal of 7916939 is 9396197.

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 not a de Polignac number, because 7916939 - 2²⁰ = 6868363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7916939.

It is not an unprimeable number, because it can be changed into a prime (7916933) 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, 4337 + ... + 5885.

It is an arithmetic number, because the mean of its divisors is an integer number (1046250).

Almost surely, 2^7916939 is an apocalyptic number.

7916939 is a deficient number, since it is larger than the sum of its proper divisors (453061).

7916939 is a wasteful number, since it uses less digits than its factorization.

7916939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837.

The product of its digits is 91854, while the sum is 44.

The square root of 7916939 is about 2813.7055638428. The cubic root of 7916939 is about 199.3054155547.

The spelling of 7916939 in words is "seven million, nine hundred sixteen thousand, nine hundred thirty-nine".