3278461 has 2 divisors, whose sum is σ = 3278462. Its totient is φ = 3278460.

The previous prime is 3278437. The next prime is 3278477. The reversal of 3278461 is 1648723.

3278461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3218436 + 60025 = 1794^2 + 245^2 .

It is an emirp because it is prime and its reverse (1648723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3278461 - 2⁷ = 3278333 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 3¹³ + 2¹¹ + 7⁴ + 8 + 4³ + 6⁸ + 1 .

3278461 is a lucky number.

It is equal to p₂₃₅₄₉₈ and since 3278461 and 235498 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3278761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639230 + 1639231.

It is an arithmetic number, because the mean of its divisors is an integer number (1639231).

Almost surely, 2^3278461 is an apocalyptic number.

It is an amenable number.

3278461 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278461 is an equidigital number, since it uses as much as digits as its factorization.

3278461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 3278461 is about 1810.6520924794. The cubic root of 3278461 is about 148.5559350478. Note that the first 3 decimals are identical.

The spelling of 3278461 in words is "three million, two hundred seventy-eight thousand, four hundred sixty-one".