7866141 has 8 divisors (see below), whose sum is σ = 10505280. Its totient is φ = 5235552.

The previous prime is 7866139. The next prime is 7866151. The reversal of 7866141 is 1416687.

It is a happy number.

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

It is not a de Polignac number, because 7866141 - 2¹ = 7866139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7866151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 465 + ... + 3993.

It is an arithmetic number, because the mean of its divisors is an integer number (1313160).

Almost surely, 2^7866141 is an apocalyptic number.

It is an amenable number.

7866141 is a deficient number, since it is larger than the sum of its proper divisors (2639139).

7866141 is a wasteful number, since it uses less digits than its factorization.

7866141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275.

The product of its digits is 8064, while the sum is 33.

The square root of 7866141 is about 2804.6641510170. The cubic root of 7866141 is about 198.8782282373.

The spelling of 7866141 in words is "seven million, eight hundred sixty-six thousand, one hundred forty-one".