7961938 has 8 divisors (see below), whose sum is σ = 11969280. Its totient is φ = 3972180.

The previous prime is 7961929. The next prime is 7961939. The reversal of 7961938 is 8391697.

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 = 7961894 and 7961903.

It is not an unprimeable number, because it can be changed into a prime (7961939) 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, 3198 + ... + 5113.

It is an arithmetic number, because the mean of its divisors is an integer number (1496160).

Almost surely, 2^7961938 is an apocalyptic number.

7961938 is a deficient number, since it is larger than the sum of its proper divisors (4007342).

7961938 is a wasteful number, since it uses less digits than its factorization.

7961938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8792.

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

The square root of 7961938 is about 2821.6906279747. The cubic root of 7961938 is about 199.6823123065.

The spelling of 7961938 in words is "seven million, nine hundred sixty-one thousand, nine hundred thirty-eight".