7916938 has 8 divisors (see below), whose sum is σ = 11890980. Its totient is φ = 3953280.

The previous prime is 7916933. The next prime is 7916947. The reversal of 7916938 is 8396197.

It can be written as a sum of positive squares in 2 ways, for example, as 7912969 + 3969 = 2813^2 + 63^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 7916894 and 7916903.

It is not an unprimeable number, because it can be changed into a prime (7916933) 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, 273 + ... + 3988.

Almost surely, 2^7916938 is an apocalyptic number.

7916938 is a deficient number, since it is larger than the sum of its proper divisors (3974042).

7916938 is a wasteful number, since it uses less digits than its factorization.

7916938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5192.

The product of its digits is 81648, while the sum is 43.

The square root of 7916938 is about 2813.7053861412. The cubic root of 7916938 is about 199.3054071632.

The spelling of 7916938 in words is "seven million, nine hundred sixteen thousand, nine hundred thirty-eight".