7948661 has 8 divisors (see below), whose sum is σ = 9194304. Its totient is φ = 6730560.

The previous prime is 7948651. The next prime is 7948667. The reversal of 7948661 is 1668497.

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 7948661 - 2⁶ = 7948597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6260 + ... + 7421.

It is an arithmetic number, because the mean of its divisors is an integer number (1149288).

Almost surely, 2^7948661 is an apocalyptic number.

It is an amenable number.

7948661 is a deficient number, since it is larger than the sum of its proper divisors (1245643).

7948661 is a wasteful number, since it uses less digits than its factorization.

7948661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13771.

The product of its digits is 72576, while the sum is 41.

The square root of 7948661 is about 2819.3369787948. The cubic root of 7948661 is about 199.5712565520.

The spelling of 7948661 in words is "seven million, nine hundred forty-eight thousand, six hundred sixty-one".