7948085 has 8 divisors (see below), whose sum is σ = 9573336. Its totient is φ = 6334720.

The previous prime is 7948079. The next prime is 7948091. The reversal of 7948085 is 5808497.

7948085 = 1993² + 1994².

It is an interprime number because it is at equal distance from previous prime (7948079) and next prime (7948091).

It can be written as a sum of positive squares in 4 ways, for example, as 253009 + 7695076 = 503^2 + 2774^2 .

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

It is not a de Polignac number, because 7948085 - 2⁴ = 7948069 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1424 + ... + 4233.

It is an arithmetic number, because the mean of its divisors is an integer number (1196667).

Almost surely, 2^7948085 is an apocalyptic number.

7948085 is the 1994-th centered square number.

It is an amenable number.

7948085 is a deficient number, since it is larger than the sum of its proper divisors (1625251).

7948085 is a wasteful number, since it uses less digits than its factorization.

7948085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 7948085 is about 2819.2348252673. The cubic root of 7948085 is about 199.5664357895.

The spelling of 7948085 in words is "seven million, nine hundred forty-eight thousand, eighty-five".