3678481 has 2 divisors, whose sum is σ = 3678482. Its totient is φ = 3678480.

The previous prime is 3678461. The next prime is 3678497. The reversal of 3678481 is 1848763.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2202256 + 1476225 = 1484^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 3678481 - 2¹¹ = 3676433 is a prime.

It is a super-2 number, since 2×3678481² = 27062444934722, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹² + 6⁴ + 7 + 8 + 4¹⁰ + 8⁷ + 1 .

It is a self number, because there is not a number n which added to its sum of digits gives 3678481.

It is not a weakly prime, because it can be changed into another prime (3678431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1839240 + 1839241.

It is an arithmetic number, because the mean of its divisors is an integer number (1839241).

Almost surely, 2^3678481 is an apocalyptic number.

It is an amenable number.

3678481 is a deficient number, since it is larger than the sum of its proper divisors (1).

3678481 is an equidigital number, since it uses as much as digits as its factorization.

3678481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 3678481 is about 1917.9366517172. The cubic root of 3678481 is about 154.3676072121.

The spelling of 3678481 in words is "three million, six hundred seventy-eight thousand, four hundred eighty-one".