7935661 has 2 divisors, whose sum is σ = 7935662. Its totient is φ = 7935660.

The previous prime is 7935623. The next prime is 7935679. The reversal of 7935661 is 1665397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5262436 + 2673225 = 2294^2 + 1635^2 .

It is a cyclic number.

It is not a de Polignac number, because 7935661 - 2¹⁵ = 7902893 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7935661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7935601) 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 as a sum of consecutive naturals, namely, 3967830 + 3967831.

It is an arithmetic number, because the mean of its divisors is an integer number (3967831).

Almost surely, 2^7935661 is an apocalyptic number.

It is an amenable number.

7935661 is a deficient number, since it is larger than the sum of its proper divisors (1).

7935661 is an equidigital number, since it uses as much as digits as its factorization.

7935661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34020, while the sum is 37.

The square root of 7935661 is about 2817.0305287661. The cubic root of 7935661 is about 199.4623978813.

It can be divided in two parts, 79356 and 61, that multiplied together give a triangular number (4840716 = T₃₁₁₁).

The spelling of 7935661 in words is "seven million, nine hundred thirty-five thousand, six hundred sixty-one".