7861841 has 8 divisors (see below), whose sum is σ = 8494080. Its totient is φ = 7233552.

The previous prime is 7861829. The next prime is 7861849. The reversal of 7861841 is 1481687.

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 7861841 - 2²² = 3667537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7861849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4190 + ... + 5768.

It is an arithmetic number, because the mean of its divisors is an integer number (1061760).

Almost surely, 2^7861841 is an apocalyptic number.

It is an amenable number.

7861841 is a deficient number, since it is larger than the sum of its proper divisors (632239).

7861841 is a wasteful number, since it uses less digits than its factorization.

7861841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975.

The product of its digits is 10752, while the sum is 35.

The square root of 7861841 is about 2803.8974660283. The cubic root of 7861841 is about 198.8419829231.

The spelling of 7861841 in words is "seven million, eight hundred sixty-one thousand, eight hundred forty-one".