3278761 has 2 divisors, whose sum is σ = 3278762. Its totient is φ = 3278760.

The previous prime is 3278753. The next prime is 3278771. The reversal of 3278761 is 1678723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3258025 + 20736 = 1805^2 + 144^2 .

It is a cyclic number.

It is not a de Polignac number, because 3278761 - 2³ = 3278753 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (3278701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639380 + 1639381.

It is an arithmetic number, because the mean of its divisors is an integer number (1639381).

Almost surely, 2^3278761 is an apocalyptic number.

It is an amenable number.

3278761 is a deficient number, since it is larger than the sum of its proper divisors (1).

3278761 is an equidigital number, since it uses as much as digits as its factorization.

3278761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14112, while the sum is 34.

The square root of 3278761 is about 1810.7349336664. The cubic root of 3278761 is about 148.5604661801.

The spelling of 3278761 in words is "three million, two hundred seventy-eight thousand, seven hundred sixty-one".