7956861 has 8 divisors (see below), whose sum is σ = 11573664. Its totient is φ = 4822320.

The previous prime is 7956859. The next prime is 7956889. The reversal of 7956861 is 1686597.

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

It is not a de Polignac number, because 7956861 - 2¹ = 7956859 is a prime.

7956861 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7956821) 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, 120526 + ... + 120591.

It is an arithmetic number, because the mean of its divisors is an integer number (1446708).

Almost surely, 2^7956861 is an apocalyptic number.

It is an amenable number.

7956861 is a deficient number, since it is larger than the sum of its proper divisors (3616803).

7956861 is a wasteful number, since it uses less digits than its factorization.

7956861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241131.

The product of its digits is 90720, while the sum is 42.

The square root of 7956861 is about 2820.7908465535. The cubic root of 7956861 is about 199.6398602193.

The spelling of 7956861 in words is "seven million, nine hundred fifty-six thousand, eight hundred sixty-one".