8376661 has 2 divisors, whose sum is σ = 8376662. Its totient is φ = 8376660.

The previous prime is 8376653. The next prime is 8376671. The reversal of 8376661 is 1666738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 1874161 = 2550^2 + 1369^2 .

It is a cyclic number.

It is not a de Polignac number, because 8376661 - 2³ = 8376653 is a prime.

It is a super-3 number, since 3×8376661³ (a number of 22 digits) contains 333 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8376661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8376671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4188330 + 4188331.

It is an arithmetic number, because the mean of its divisors is an integer number (4188331).

Almost surely, 2^8376661 is an apocalyptic number.

It is an amenable number.

8376661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8376661 is an equidigital number, since it uses as much as digits as its factorization.

8376661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 8376661 is about 2894.2461885610. The cubic root of 8376661 is about 203.0908294709.

The spelling of 8376661 in words is "eight million, three hundred seventy-six thousand, six hundred sixty-one".