7941865 has 8 divisors (see below), whose sum is σ = 9788040. Its totient is φ = 6181632.

The previous prime is 7941851. The next prime is 7941883. The reversal of 7941865 is 5681497.

It can be written as a sum of positive squares in 4 ways, for example, as 219024 + 7722841 = 468^2 + 2779^2 .

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 7941865 - 2⁵ = 7941833 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21280 + ... + 21649.

It is an arithmetic number, because the mean of its divisors is an integer number (1223505).

Almost surely, 2^7941865 is an apocalyptic number.

It is an amenable number.

7941865 is a deficient number, since it is larger than the sum of its proper divisors (1846175).

7941865 is a wasteful number, since it uses less digits than its factorization.

7941865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42971.

The product of its digits is 60480, while the sum is 40.

The square root of 7941865 is about 2818.1314731573. The cubic root of 7941865 is about 199.5143634066.

The spelling of 7941865 in words is "seven million, nine hundred forty-one thousand, eight hundred sixty-five".